Home / 93,150.08-128,547.60-50,708.96

Finding the Fourth Proportional to 93,150.08, 128,547.60 and 50,708.96

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Solution

The fourth proportional to 93,150.08, 128,547.60 and 50,708.96 is: 69,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,150.08 : 128,547.60 = 50,708.96 : x
  2. Step 2: Convert to fraction form
    93,150.08/128,547.60 = 50,708.96/x
  3. Step 3: Cross multiply
    93,150.08x = 128,547.60 × 50,708.96
  4. Step 4: Simplify right side
    93,150.08x = 6,518,515,106.50
  5. Step 5: Solve for x
    x = 6,518,515,106.50/93,150.08
  6. Step 6: Final answer
    x = 69,978.63

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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.