Home / 93,220.72-128,646.58-50,779.16

Finding the Fourth Proportional to 93,220.72, 128,646.58 and 50,779.16

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Solution

The fourth proportional to 93,220.72, 128,646.58 and 50,779.16 is: 70,076.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,220.72 : 128,646.58 = 50,779.16 : x
  2. Step 2: Convert to fraction form
    93,220.72/128,646.58 = 50,779.16/x
  3. Step 3: Cross multiply
    93,220.72x = 128,646.58 × 50,779.16
  4. Step 4: Simplify right side
    93,220.72x = 6,532,565,269.27
  5. Step 5: Solve for x
    x = 6,532,565,269.27/93,220.72
  6. Step 6: Final answer
    x = 70,076.32

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.