Home / 86,446.72-129,665.49-26,475.18

Finding the Fourth Proportional to 86,446.72, 129,665.49 and 26,475.18

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Solution

The fourth proportional to 86,446.72, 129,665.49 and 26,475.18 is: 39,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,446.72 : 129,665.49 = 26,475.18 : x
  2. Step 2: Convert to fraction form
    86,446.72/129,665.49 = 26,475.18/x
  3. Step 3: Cross multiply
    86,446.72x = 129,665.49 × 26,475.18
  4. Step 4: Simplify right side
    86,446.72x = 3,432,917,187.54
  5. Step 5: Solve for x
    x = 3,432,917,187.54/86,446.72
  6. Step 6: Final answer
    x = 39,711.36

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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.