Home / 64,136.90-96,140.55-29,101.70

Finding the Fourth Proportional to 64,136.90, 96,140.55 and 29,101.70

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Solution

The fourth proportional to 64,136.90, 96,140.55 and 29,101.70 is: 43,623.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,136.90 : 96,140.55 = 29,101.70 : x
  2. Step 2: Convert to fraction form
    64,136.90/96,140.55 = 29,101.70/x
  3. Step 3: Cross multiply
    64,136.90x = 96,140.55 × 29,101.70
  4. Step 4: Simplify right side
    64,136.90x = 2,797,853,443.94
  5. Step 5: Solve for x
    x = 2,797,853,443.94/64,136.90
  6. Step 6: Final answer
    x = 43,623.15

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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.