Home / 87,646.47-131,422.94-45,484.11

Finding the Fourth Proportional to 87,646.47, 131,422.94 and 45,484.11

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Solution

The fourth proportional to 87,646.47, 131,422.94 and 45,484.11 is: 68,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,646.47 : 131,422.94 = 45,484.11 : x
  2. Step 2: Convert to fraction form
    87,646.47/131,422.94 = 45,484.11/x
  3. Step 3: Cross multiply
    87,646.47x = 131,422.94 × 45,484.11
  4. Step 4: Simplify right side
    87,646.47x = 5,977,655,232.06
  5. Step 5: Solve for x
    x = 5,977,655,232.06/87,646.47
  6. Step 6: Final answer
    x = 68,201.89

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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.