Home / 99,615.22-137,464.97-54,292.22

Finding the Fourth Proportional to 99,615.22, 137,464.97 and 54,292.22

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Solution

The fourth proportional to 99,615.22, 137,464.97 and 54,292.22 is: 74,921.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,615.22 : 137,464.97 = 54,292.22 : x
  2. Step 2: Convert to fraction form
    99,615.22/137,464.97 = 54,292.22/x
  3. Step 3: Cross multiply
    99,615.22x = 137,464.97 × 54,292.22
  4. Step 4: Simplify right side
    99,615.22x = 7,463,278,737.20
  5. Step 5: Solve for x
    x = 7,463,278,737.20/99,615.22
  6. Step 6: Final answer
    x = 74,921.07

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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.