Home / 95,721.78-143,635.50-39,548.82

Finding the Fourth Proportional to 95,721.78, 143,635.50 and 39,548.82

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Solution

The fourth proportional to 95,721.78, 143,635.50 and 39,548.82 is: 59,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,721.78 : 143,635.50 = 39,548.82 : x
  2. Step 2: Convert to fraction form
    95,721.78/143,635.50 = 39,548.82/x
  3. Step 3: Cross multiply
    95,721.78x = 143,635.50 × 39,548.82
  4. Step 4: Simplify right side
    95,721.78x = 5,680,614,535.11
  5. Step 5: Solve for x
    x = 5,680,614,535.11/95,721.78
  6. Step 6: Final answer
    x = 59,345.06

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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.