Home / 71,437.92-98,359.38-54,387.42

Finding the Fourth Proportional to 71,437.92, 98,359.38 and 54,387.42

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Solution

The fourth proportional to 71,437.92, 98,359.38 and 54,387.42 is: 74,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,437.92 : 98,359.38 = 54,387.42 : x
  2. Step 2: Convert to fraction form
    71,437.92/98,359.38 = 54,387.42/x
  3. Step 3: Cross multiply
    71,437.92x = 98,359.38 × 54,387.42
  4. Step 4: Simplify right side
    71,437.92x = 5,349,512,911.00
  5. Step 5: Solve for x
    x = 5,349,512,911.00/71,437.92
  6. Step 6: Final answer
    x = 74,883.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.