Home / 54,108.23-81,162.30-35,505.95

Finding the Fourth Proportional to 54,108.23, 81,162.30 and 35,505.95

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Solution

The fourth proportional to 54,108.23, 81,162.30 and 35,505.95 is: 53,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,108.23 : 81,162.30 = 35,505.95 : x
  2. Step 2: Convert to fraction form
    54,108.23/81,162.30 = 35,505.95/x
  3. Step 3: Cross multiply
    54,108.23x = 81,162.30 × 35,505.95
  4. Step 4: Simplify right side
    54,108.23x = 2,881,744,565.69
  5. Step 5: Solve for x
    x = 2,881,744,565.69/54,108.23
  6. Step 6: Final answer
    x = 53,258.90

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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.