Home / 87,338.76-131,008.02-37,386.46

Finding the Fourth Proportional to 87,338.76, 131,008.02 and 37,386.46

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Solution

The fourth proportional to 87,338.76, 131,008.02 and 37,386.46 is: 56,079.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,338.76 : 131,008.02 = 37,386.46 : x
  2. Step 2: Convert to fraction form
    87,338.76/131,008.02 = 37,386.46/x
  3. Step 3: Cross multiply
    87,338.76x = 131,008.02 × 37,386.46
  4. Step 4: Simplify right side
    87,338.76x = 4,897,926,099.41
  5. Step 5: Solve for x
    x = 4,897,926,099.41/87,338.76
  6. Step 6: Final answer
    x = 56,079.64

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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.