Home / 77,600.97-116,061.39-71,926.20

Finding the Fourth Proportional to 77,600.97, 116,061.39 and 71,926.20

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Solution

The fourth proportional to 77,600.97, 116,061.39 and 71,926.20 is: 107,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,600.97 : 116,061.39 = 71,926.20 : x
  2. Step 2: Convert to fraction form
    77,600.97/116,061.39 = 71,926.20/x
  3. Step 3: Cross multiply
    77,600.97x = 116,061.39 × 71,926.20
  4. Step 4: Simplify right side
    77,600.97x = 8,347,854,749.42
  5. Step 5: Solve for x
    x = 8,347,854,749.42/77,600.97
  6. Step 6: Final answer
    x = 107,574.10

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1.5x scale

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.