Home / 54,542.12-75,402.26-54,043.16

Finding the Fourth Proportional to 54,542.12, 75,402.26 and 54,043.16

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Solution

The fourth proportional to 54,542.12, 75,402.26 and 54,043.16 is: 74,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.12 : 75,402.26 = 54,043.16 : x
  2. Step 2: Convert to fraction form
    54,542.12/75,402.26 = 54,043.16/x
  3. Step 3: Cross multiply
    54,542.12x = 75,402.26 × 54,043.16
  4. Step 4: Simplify right side
    54,542.12x = 4,074,976,401.54
  5. Step 5: Solve for x
    x = 4,074,976,401.54/54,542.12
  6. Step 6: Final answer
    x = 74,712.47

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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.