Home / 87,525.52-131,295.17-43,128.07

Finding the Fourth Proportional to 87,525.52, 131,295.17 and 43,128.07

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Solution

The fourth proportional to 87,525.52, 131,295.17 and 43,128.07 is: 64,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,525.52 : 131,295.17 = 43,128.07 : x
  2. Step 2: Convert to fraction form
    87,525.52/131,295.17 = 43,128.07/x
  3. Step 3: Cross multiply
    87,525.52x = 131,295.17 × 43,128.07
  4. Step 4: Simplify right side
    87,525.52x = 5,662,507,062.00
  5. Step 5: Solve for x
    x = 5,662,507,062.00/87,525.52
  6. Step 6: Final answer
    x = 64,695.50

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1.5x scale

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.