Home / 87,022.80-130,534.20-27,864.45

Finding the Fourth Proportional to 87,022.80, 130,534.20 and 27,864.45

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Solution

The fourth proportional to 87,022.80, 130,534.20 and 27,864.45 is: 41,796.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022.80 : 130,534.20 = 27,864.45 : x
  2. Step 2: Convert to fraction form
    87,022.80/130,534.20 = 27,864.45/x
  3. Step 3: Cross multiply
    87,022.80x = 130,534.20 × 27,864.45
  4. Step 4: Simplify right side
    87,022.80x = 3,637,263,689.19
  5. Step 5: Solve for x
    x = 3,637,263,689.19/87,022.80
  6. Step 6: Final answer
    x = 41,796.68

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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.