Home / 87,132.24-130,698.36-21,468.24

Finding the Fourth Proportional to 87,132.24, 130,698.36 and 21,468.24

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Solution

The fourth proportional to 87,132.24, 130,698.36 and 21,468.24 is: 32,202.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,132.24 : 130,698.36 = 21,468.24 : x
  2. Step 2: Convert to fraction form
    87,132.24/130,698.36 = 21,468.24/x
  3. Step 3: Cross multiply
    87,132.24x = 130,698.36 × 21,468.24
  4. Step 4: Simplify right side
    87,132.24x = 2,805,863,760.09
  5. Step 5: Solve for x
    x = 2,805,863,760.09/87,132.24
  6. Step 6: Final answer
    x = 32,202.36

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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.