Home / 71,965.77-107,895.33-34,490.16

Finding the Fourth Proportional to 71,965.77, 107,895.33 and 34,490.16

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Solution

The fourth proportional to 71,965.77, 107,895.33 and 34,490.16 is: 51,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,965.77 : 107,895.33 = 34,490.16 : x
  2. Step 2: Convert to fraction form
    71,965.77/107,895.33 = 34,490.16/x
  3. Step 3: Cross multiply
    71,965.77x = 107,895.33 × 34,490.16
  4. Step 4: Simplify right side
    71,965.77x = 3,721,327,194.95
  5. Step 5: Solve for x
    x = 3,721,327,194.95/71,965.77
  6. Step 6: Final answer
    x = 51,709.68

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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.