Home / 74,221.14-102,560.79-54,042.87

Finding the Fourth Proportional to 74,221.14, 102,560.79 and 54,042.87

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Solution

The fourth proportional to 74,221.14, 102,560.79 and 54,042.87 is: 74,677.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,221.14 : 102,560.79 = 54,042.87 : x
  2. Step 2: Convert to fraction form
    74,221.14/102,560.79 = 54,042.87/x
  3. Step 3: Cross multiply
    74,221.14x = 102,560.79 × 54,042.87
  4. Step 4: Simplify right side
    74,221.14x = 5,542,679,441.07
  5. Step 5: Solve for x
    x = 5,542,679,441.07/74,221.14
  6. Step 6: Final answer
    x = 74,677.91

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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.