Home / 81,082.31-121,623.45-59,035.97

Finding the Fourth Proportional to 81,082.31, 121,623.45 and 59,035.97

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Solution

The fourth proportional to 81,082.31, 121,623.45 and 59,035.97 is: 88,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,082.31 : 121,623.45 = 59,035.97 : x
  2. Step 2: Convert to fraction form
    81,082.31/121,623.45 = 59,035.97/x
  3. Step 3: Cross multiply
    81,082.31x = 121,623.45 × 59,035.97
  4. Step 4: Simplify right side
    81,082.31x = 7,180,158,428.17
  5. Step 5: Solve for x
    x = 7,180,158,428.17/81,082.31
  6. Step 6: Final answer
    x = 88,553.95

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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.