Home / 87,090.23-130,624.90-27,123.02

Finding the Fourth Proportional to 87,090.23, 130,624.90 and 27,123.02

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Solution

The fourth proportional to 87,090.23, 130,624.90 and 27,123.02 is: 40,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,090.23 : 130,624.90 = 27,123.02 : x
  2. Step 2: Convert to fraction form
    87,090.23/130,624.90 = 27,123.02/x
  3. Step 3: Cross multiply
    87,090.23x = 130,624.90 × 27,123.02
  4. Step 4: Simplify right side
    87,090.23x = 3,542,941,696.68
  5. Step 5: Solve for x
    x = 3,542,941,696.68/87,090.23
  6. Step 6: Final answer
    x = 40,681.27

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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.