Home / 84,082.16-126,122.79-36,043.69

Finding the Fourth Proportional to 84,082.16, 126,122.79 and 36,043.69

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Solution

The fourth proportional to 84,082.16, 126,122.79 and 36,043.69 is: 54,065.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,082.16 : 126,122.79 = 36,043.69 : x
  2. Step 2: Convert to fraction form
    84,082.16/126,122.79 = 36,043.69/x
  3. Step 3: Cross multiply
    84,082.16x = 126,122.79 × 36,043.69
  4. Step 4: Simplify right side
    84,082.16x = 4,545,930,744.70
  5. Step 5: Solve for x
    x = 4,545,930,744.70/84,082.16
  6. Step 6: Final answer
    x = 54,065.34

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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.