Home / 87,044.32-130,624.80-55,901.44

Finding the Fourth Proportional to 87,044.32, 130,624.80 and 55,901.44

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Solution

The fourth proportional to 87,044.32, 130,624.80 and 55,901.44 is: 83,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,044.32 : 130,624.80 = 55,901.44 : x
  2. Step 2: Convert to fraction form
    87,044.32/130,624.80 = 55,901.44/x
  3. Step 3: Cross multiply
    87,044.32x = 130,624.80 × 55,901.44
  4. Step 4: Simplify right side
    87,044.32x = 7,302,114,419.71
  5. Step 5: Solve for x
    x = 7,302,114,419.71/87,044.32
  6. Step 6: Final answer
    x = 83,889.61

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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.