Home / 87,322.20-130,873.71-37,343.53

Finding the Fourth Proportional to 87,322.20, 130,873.71 and 37,343.53

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Solution

The fourth proportional to 87,322.20, 130,873.71 and 37,343.53 is: 55,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,322.20 : 130,873.71 = 37,343.53 : x
  2. Step 2: Convert to fraction form
    87,322.20/130,873.71 = 37,343.53/x
  3. Step 3: Cross multiply
    87,322.20x = 130,873.71 × 37,343.53
  4. Step 4: Simplify right side
    87,322.20x = 4,887,286,619.23
  5. Step 5: Solve for x
    x = 4,887,286,619.23/87,322.20
  6. Step 6: Final answer
    x = 55,968.43

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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.