Home / 90,082.42-124,308.33-49,793.77

Finding the Fourth Proportional to 90,082.42, 124,308.33 and 49,793.77

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Solution

The fourth proportional to 90,082.42, 124,308.33 and 49,793.77 is: 68,712.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,082.42 : 124,308.33 = 49,793.77 : x
  2. Step 2: Convert to fraction form
    90,082.42/124,308.33 = 49,793.77/x
  3. Step 3: Cross multiply
    90,082.42x = 124,308.33 × 49,793.77
  4. Step 4: Simplify right side
    90,082.42x = 6,189,780,393.10
  5. Step 5: Solve for x
    x = 6,189,780,393.10/90,082.42
  6. Step 6: Final answer
    x = 68,712.41

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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.