Home / 87,424.08-131,136.02-34,870.47

Finding the Fourth Proportional to 87,424.08, 131,136.02 and 34,870.47

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Solution

The fourth proportional to 87,424.08, 131,136.02 and 34,870.47 is: 52,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,424.08 : 131,136.02 = 34,870.47 : x
  2. Step 2: Convert to fraction form
    87,424.08/131,136.02 = 34,870.47/x
  3. Step 3: Cross multiply
    87,424.08x = 131,136.02 × 34,870.47
  4. Step 4: Simplify right side
    87,424.08x = 4,572,774,476.98
  5. Step 5: Solve for x
    x = 4,572,774,476.98/87,424.08
  6. Step 6: Final answer
    x = 52,305.66

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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.