Home / 77,710.20-107,233.94-43,711.92

Finding the Fourth Proportional to 77,710.20, 107,233.94 and 43,711.92

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Solution

The fourth proportional to 77,710.20, 107,233.94 and 43,711.92 is: 60,319.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,710.20 : 107,233.94 = 43,711.92 : x
  2. Step 2: Convert to fraction form
    77,710.20/107,233.94 = 43,711.92/x
  3. Step 3: Cross multiply
    77,710.20x = 107,233.94 × 43,711.92
  4. Step 4: Simplify right side
    77,710.20x = 4,687,401,188.01
  5. Step 5: Solve for x
    x = 4,687,401,188.01/77,710.20
  6. Step 6: Final answer
    x = 60,319.00

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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.