Home / 63,173.12-94,781.44-28,136.96

Finding the Fourth Proportional to 63,173.12, 94,781.44 and 28,136.96

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Solution

The fourth proportional to 63,173.12, 94,781.44 and 28,136.96 is: 42,215.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,173.12 : 94,781.44 = 28,136.96 : x
  2. Step 2: Convert to fraction form
    63,173.12/94,781.44 = 28,136.96/x
  3. Step 3: Cross multiply
    63,173.12x = 94,781.44 × 28,136.96
  4. Step 4: Simplify right side
    63,173.12x = 2,666,861,586.02
  5. Step 5: Solve for x
    x = 2,666,861,586.02/63,173.12
  6. Step 6: Final answer
    x = 42,215.13

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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.