Home / 87,579.82-130,889.86-63,937.16

Finding the Fourth Proportional to 87,579.82, 130,889.86 and 63,937.16

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Solution

The fourth proportional to 87,579.82, 130,889.86 and 63,937.16 is: 95,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,579.82 : 130,889.86 = 63,937.16 : x
  2. Step 2: Convert to fraction form
    87,579.82/130,889.86 = 63,937.16/x
  3. Step 3: Cross multiply
    87,579.82x = 130,889.86 × 63,937.16
  4. Step 4: Simplify right side
    87,579.82x = 8,368,725,921.20
  5. Step 5: Solve for x
    x = 8,368,725,921.20/87,579.82
  6. Step 6: Final answer
    x = 95,555.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.