Home / 77,519.08-107,008.84-52,402.60

Finding the Fourth Proportional to 77,519.08, 107,008.84 and 52,402.60

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Solution

The fourth proportional to 77,519.08, 107,008.84 and 52,402.60 is: 72,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,519.08 : 107,008.84 = 52,402.60 : x
  2. Step 2: Convert to fraction form
    77,519.08/107,008.84 = 52,402.60/x
  3. Step 3: Cross multiply
    77,519.08x = 107,008.84 × 52,402.60
  4. Step 4: Simplify right side
    77,519.08x = 5,607,541,438.98
  5. Step 5: Solve for x
    x = 5,607,541,438.98/77,519.08
  6. Step 6: Final answer
    x = 72,337.56

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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.