Home / 89,331.89-134,020.29-39,425.76

Finding the Fourth Proportional to 89,331.89, 134,020.29 and 39,425.76

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Solution

The fourth proportional to 89,331.89, 134,020.29 and 39,425.76 is: 59,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,331.89 : 134,020.29 = 39,425.76 : x
  2. Step 2: Convert to fraction form
    89,331.89/134,020.29 = 39,425.76/x
  3. Step 3: Cross multiply
    89,331.89x = 134,020.29 × 39,425.76
  4. Step 4: Simplify right side
    89,331.89x = 5,283,851,788.67
  5. Step 5: Solve for x
    x = 5,283,851,788.67/89,331.89
  6. Step 6: Final answer
    x = 59,148.55

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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.