Home / 64,521.36-96,781.91-42,329.43

Finding the Fourth Proportional to 64,521.36, 96,781.91 and 42,329.43

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Solution

The fourth proportional to 64,521.36, 96,781.91 and 42,329.43 is: 63,494.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,521.36 : 96,781.91 = 42,329.43 : x
  2. Step 2: Convert to fraction form
    64,521.36/96,781.91 = 42,329.43/x
  3. Step 3: Cross multiply
    64,521.36x = 96,781.91 × 42,329.43
  4. Step 4: Simplify right side
    64,521.36x = 4,096,722,872.96
  5. Step 5: Solve for x
    x = 4,096,722,872.96/64,521.36
  6. Step 6: Final answer
    x = 63,494.06

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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.