Home / 93,088.18-128,464.44-50,649.46

Finding the Fourth Proportional to 93,088.18, 128,464.44 and 50,649.46

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Solution

The fourth proportional to 93,088.18, 128,464.44 and 50,649.46 is: 69,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,088.18 : 128,464.44 = 50,649.46 : x
  2. Step 2: Convert to fraction form
    93,088.18/128,464.44 = 50,649.46/x
  3. Step 3: Cross multiply
    93,088.18x = 128,464.44 × 50,649.46
  4. Step 4: Simplify right side
    93,088.18x = 6,506,654,515.20
  5. Step 5: Solve for x
    x = 6,506,654,515.20/93,088.18
  6. Step 6: Final answer
    x = 69,897.75

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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.