Home / 75,864.38-113,576.10-44,177.72

Finding the Fourth Proportional to 75,864.38, 113,576.10 and 44,177.72

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Solution

The fourth proportional to 75,864.38, 113,576.10 and 44,177.72 is: 66,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,864.38 : 113,576.10 = 44,177.72 : x
  2. Step 2: Convert to fraction form
    75,864.38/113,576.10 = 44,177.72/x
  3. Step 3: Cross multiply
    75,864.38x = 113,576.10 × 44,177.72
  4. Step 4: Simplify right side
    75,864.38x = 5,017,533,144.49
  5. Step 5: Solve for x
    x = 5,017,533,144.49/75,864.38
  6. Step 6: Final answer
    x = 66,138.19

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1.5x scale

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.