Home / 71,302.29-107,058.57-39,773.95

Finding the Fourth Proportional to 71,302.29, 107,058.57 and 39,773.95

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Solution

The fourth proportional to 71,302.29, 107,058.57 and 39,773.95 is: 59,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,302.29 : 107,058.57 = 39,773.95 : x
  2. Step 2: Convert to fraction form
    71,302.29/107,058.57 = 39,773.95/x
  3. Step 3: Cross multiply
    71,302.29x = 107,058.57 × 39,773.95
  4. Step 4: Simplify right side
    71,302.29x = 4,258,142,210.25
  5. Step 5: Solve for x
    x = 4,258,142,210.25/71,302.29
  6. Step 6: Final answer
    x = 59,719.57

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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.