Home / 63,942-88,251.36-40,089.12

Finding the Fourth Proportional to 63,942, 88,251.36 and 40,089.12

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Solution

The fourth proportional to 63,942, 88,251.36 and 40,089.12 is: 55,330.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,942 : 88,251.36 = 40,089.12 : x
  2. Step 2: Convert to fraction form
    63,942/88,251.36 = 40,089.12/x
  3. Step 3: Cross multiply
    63,942x = 88,251.36 × 40,089.12
  4. Step 4: Simplify right side
    63,942x = 3,537,919,361.20
  5. Step 5: Solve for x
    x = 3,537,919,361.20/63,942
  6. Step 6: Final answer
    x = 55,330.13

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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.