Home / 87,632.40-131,275.80-52,467.60

Finding the Fourth Proportional to 87,632.40, 131,275.80 and 52,467.60

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Solution

The fourth proportional to 87,632.40, 131,275.80 and 52,467.60 is: 78,597.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,632.40 : 131,275.80 = 52,467.60 : x
  2. Step 2: Convert to fraction form
    87,632.40/131,275.80 = 52,467.60/x
  3. Step 3: Cross multiply
    87,632.40x = 131,275.80 × 52,467.60
  4. Step 4: Simplify right side
    87,632.40x = 6,887,726,164.08
  5. Step 5: Solve for x
    x = 6,887,726,164.08/87,632.40
  6. Step 6: Final answer
    x = 78,597.94

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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.