Home / 66,526-99,736.02-38,414.20

Finding the Fourth Proportional to 66,526, 99,736.02 and 38,414.20

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Solution

The fourth proportional to 66,526, 99,736.02 and 38,414.20 is: 57,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,526 : 99,736.02 = 38,414.20 : x
  2. Step 2: Convert to fraction form
    66,526/99,736.02 = 38,414.20/x
  3. Step 3: Cross multiply
    66,526x = 99,736.02 × 38,414.20
  4. Step 4: Simplify right side
    66,526x = 3,831,279,419.48
  5. Step 5: Solve for x
    x = 3,831,279,419.48/66,526
  6. Step 6: Final answer
    x = 57,590.71

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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.