Home / 63,306.13-87,374.13-40,673.41

Finding the Fourth Proportional to 63,306.13, 87,374.13 and 40,673.41

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Solution

The fourth proportional to 63,306.13, 87,374.13 and 40,673.41 is: 56,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,306.13 : 87,374.13 = 40,673.41 : x
  2. Step 2: Convert to fraction form
    63,306.13/87,374.13 = 40,673.41/x
  3. Step 3: Cross multiply
    63,306.13x = 87,374.13 × 40,673.41
  4. Step 4: Simplify right side
    63,306.13x = 3,553,803,812.88
  5. Step 5: Solve for x
    x = 3,553,803,812.88/63,306.13
  6. Step 6: Final answer
    x = 56,136.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.