Home / 87,200.90-130,628.55-52,036.10

Finding the Fourth Proportional to 87,200.90, 130,628.55 and 52,036.10

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Solution

The fourth proportional to 87,200.90, 130,628.55 and 52,036.10 is: 77,951.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,200.90 : 130,628.55 = 52,036.10 : x
  2. Step 2: Convert to fraction form
    87,200.90/130,628.55 = 52,036.10/x
  3. Step 3: Cross multiply
    87,200.90x = 130,628.55 × 52,036.10
  4. Step 4: Simplify right side
    87,200.90x = 6,797,400,290.66
  5. Step 5: Solve for x
    x = 6,797,400,290.66/87,200.90
  6. Step 6: Final answer
    x = 77,951.03

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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.