Home / 87,247.19-130,870.83-28,082.85

Finding the Fourth Proportional to 87,247.19, 130,870.83 and 28,082.85

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Solution

The fourth proportional to 87,247.19, 130,870.83 and 28,082.85 is: 42,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,247.19 : 130,870.83 = 28,082.85 : x
  2. Step 2: Convert to fraction form
    87,247.19/130,870.83 = 28,082.85/x
  3. Step 3: Cross multiply
    87,247.19x = 130,870.83 × 28,082.85
  4. Step 4: Simplify right side
    87,247.19x = 3,675,225,888.27
  5. Step 5: Solve for x
    x = 3,675,225,888.27/87,247.19
  6. Step 6: Final answer
    x = 42,124.29

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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.