Home / 77,337.20-106,776.75-59,400.14

Finding the Fourth Proportional to 77,337.20, 106,776.75 and 59,400.14

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Solution

The fourth proportional to 77,337.20, 106,776.75 and 59,400.14 is: 82,011.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,337.20 : 106,776.75 = 59,400.14 : x
  2. Step 2: Convert to fraction form
    77,337.20/106,776.75 = 59,400.14/x
  3. Step 3: Cross multiply
    77,337.20x = 106,776.75 × 59,400.14
  4. Step 4: Simplify right side
    77,337.20x = 6,342,553,898.75
  5. Step 5: Solve for x
    x = 6,342,553,898.75/77,337.20
  6. Step 6: Final answer
    x = 82,011.68

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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.