Home / 68,938.61-95,132.82-42,125.99

Finding the Fourth Proportional to 68,938.61, 95,132.82 and 42,125.99

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Solution

The fourth proportional to 68,938.61, 95,132.82 and 42,125.99 is: 58,132.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,938.61 : 95,132.82 = 42,125.99 : x
  2. Step 2: Convert to fraction form
    68,938.61/95,132.82 = 42,125.99/x
  3. Step 3: Cross multiply
    68,938.61x = 95,132.82 × 42,125.99
  4. Step 4: Simplify right side
    68,938.61x = 4,007,563,748.33
  5. Step 5: Solve for x
    x = 4,007,563,748.33/68,938.61
  6. Step 6: Final answer
    x = 58,132.36

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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.