Home / 87,575.31-130,530.88-82,593.63

Finding the Fourth Proportional to 87,575.31, 130,530.88 and 82,593.63

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Solution

The fourth proportional to 87,575.31, 130,530.88 and 82,593.63 is: 123,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,575.31 : 130,530.88 = 82,593.63 : x
  2. Step 2: Convert to fraction form
    87,575.31/130,530.88 = 82,593.63/x
  3. Step 3: Cross multiply
    87,575.31x = 130,530.88 × 82,593.63
  4. Step 4: Simplify right side
    87,575.31x = 10,781,018,999.81
  5. Step 5: Solve for x
    x = 10,781,018,999.81/87,575.31
  6. Step 6: Final answer
    x = 123,105.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.