Home / 87,037.32-130,614.36-55,894.44

Finding the Fourth Proportional to 87,037.32, 130,614.36 and 55,894.44

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Solution

The fourth proportional to 87,037.32, 130,614.36 and 55,894.44 is: 83,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,037.32 : 130,614.36 = 55,894.44 : x
  2. Step 2: Convert to fraction form
    87,037.32/130,614.36 = 55,894.44/x
  3. Step 3: Cross multiply
    87,037.32x = 130,614.36 × 55,894.44
  4. Step 4: Simplify right side
    87,037.32x = 7,300,616,508.16
  5. Step 5: Solve for x
    x = 7,300,616,508.16/87,037.32
  6. Step 6: Final answer
    x = 83,879.15

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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.