Home / 99,827.17-137,757.55-54,507.06

Finding the Fourth Proportional to 99,827.17, 137,757.55 and 54,507.06

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Solution

The fourth proportional to 99,827.17, 137,757.55 and 54,507.06 is: 75,217.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827.17 : 137,757.55 = 54,507.06 : x
  2. Step 2: Convert to fraction form
    99,827.17/137,757.55 = 54,507.06/x
  3. Step 3: Cross multiply
    99,827.17x = 137,757.55 × 54,507.06
  4. Step 4: Simplify right side
    99,827.17x = 7,508,758,907.04
  5. Step 5: Solve for x
    x = 7,508,758,907.04/99,827.17
  6. Step 6: Final answer
    x = 75,217.59

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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.