Home / 86,625.45-129,938.04-63,082.71

Finding the Fourth Proportional to 86,625.45, 129,938.04 and 63,082.71

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Solution

The fourth proportional to 86,625.45, 129,938.04 and 63,082.71 is: 94,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,625.45 : 129,938.04 = 63,082.71 : x
  2. Step 2: Convert to fraction form
    86,625.45/129,938.04 = 63,082.71/x
  3. Step 3: Cross multiply
    86,625.45x = 129,938.04 × 63,082.71
  4. Step 4: Simplify right side
    86,625.45x = 8,196,843,695.29
  5. Step 5: Solve for x
    x = 8,196,843,695.29/86,625.45
  6. Step 6: Final answer
    x = 94,623.97

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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.