Home / 107,082.28-147,794.16-61,789.44

Finding the Fourth Proportional to 107,082.28, 147,794.16 and 61,789.44

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Solution

The fourth proportional to 107,082.28, 147,794.16 and 61,789.44 is: 85,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,082.28 : 147,794.16 = 61,789.44 : x
  2. Step 2: Convert to fraction form
    107,082.28/147,794.16 = 61,789.44/x
  3. Step 3: Cross multiply
    107,082.28x = 147,794.16 × 61,789.44
  4. Step 4: Simplify right side
    107,082.28x = 9,132,118,381.67
  5. Step 5: Solve for x
    x = 9,132,118,381.67/107,082.28
  6. Step 6: Final answer
    x = 85,281.32

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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.