Home / 64,221.40-96,332.10-62,909.20

Finding the Fourth Proportional to 64,221.40, 96,332.10 and 62,909.20

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Solution

The fourth proportional to 64,221.40, 96,332.10 and 62,909.20 is: 94,363.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,221.40 : 96,332.10 = 62,909.20 : x
  2. Step 2: Convert to fraction form
    64,221.40/96,332.10 = 62,909.20/x
  3. Step 3: Cross multiply
    64,221.40x = 96,332.10 × 62,909.20
  4. Step 4: Simplify right side
    64,221.40x = 6,060,175,345.32
  5. Step 5: Solve for x
    x = 6,060,175,345.32/64,221.40
  6. Step 6: Final answer
    x = 94,363.80

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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.