Home / 87,039.32-130,617.36-55,896.44

Finding the Fourth Proportional to 87,039.32, 130,617.36 and 55,896.44

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Solution

The fourth proportional to 87,039.32, 130,617.36 and 55,896.44 is: 83,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,039.32 : 130,617.36 = 55,896.44 : x
  2. Step 2: Convert to fraction form
    87,039.32/130,617.36 = 55,896.44/x
  3. Step 3: Cross multiply
    87,039.32x = 130,617.36 × 55,896.44
  4. Step 4: Simplify right side
    87,039.32x = 7,301,045,426.20
  5. Step 5: Solve for x
    x = 7,301,045,426.20/87,039.32
  6. Step 6: Final answer
    x = 83,882.15

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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.