Home / 87,352.48-130,935.24-45,190.08

Finding the Fourth Proportional to 87,352.48, 130,935.24 and 45,190.08

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Solution

The fourth proportional to 87,352.48, 130,935.24 and 45,190.08 is: 67,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,352.48 : 130,935.24 = 45,190.08 : x
  2. Step 2: Convert to fraction form
    87,352.48/130,935.24 = 45,190.08/x
  3. Step 3: Cross multiply
    87,352.48x = 130,935.24 × 45,190.08
  4. Step 4: Simplify right side
    87,352.48x = 5,916,973,970.42
  5. Step 5: Solve for x
    x = 5,916,973,970.42/87,352.48
  6. Step 6: Final answer
    x = 67,736.76

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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.