Home / 96,809.60-145,025.28-63,428.24

Finding the Fourth Proportional to 96,809.60, 145,025.28 and 63,428.24

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Solution

The fourth proportional to 96,809.60, 145,025.28 and 63,428.24 is: 95,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,809.60 : 145,025.28 = 63,428.24 : x
  2. Step 2: Convert to fraction form
    96,809.60/145,025.28 = 63,428.24/x
  3. Step 3: Cross multiply
    96,809.60x = 145,025.28 × 63,428.24
  4. Step 4: Simplify right side
    96,809.60x = 9,198,698,265.91
  5. Step 5: Solve for x
    x = 9,198,698,265.91/96,809.60
  6. Step 6: Final answer
    x = 95,018.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.