Home / 84,244.07-126,323.85-28,064.43

Finding the Fourth Proportional to 84,244.07, 126,323.85 and 28,064.43

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Solution

The fourth proportional to 84,244.07, 126,323.85 and 28,064.43 is: 42,082.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,244.07 : 126,323.85 = 28,064.43 : x
  2. Step 2: Convert to fraction form
    84,244.07/126,323.85 = 28,064.43/x
  3. Step 3: Cross multiply
    84,244.07x = 126,323.85 × 28,064.43
  4. Step 4: Simplify right side
    84,244.07x = 3,545,206,950.90
  5. Step 5: Solve for x
    x = 3,545,206,950.90/84,244.07
  6. Step 6: Final answer
    x = 42,082.57

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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.