Home / 84,246.44-126,307.23-39,821.29

Finding the Fourth Proportional to 84,246.44, 126,307.23 and 39,821.29

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Solution

The fourth proportional to 84,246.44, 126,307.23 and 39,821.29 is: 59,702.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,246.44 : 126,307.23 = 39,821.29 : x
  2. Step 2: Convert to fraction form
    84,246.44/126,307.23 = 39,821.29/x
  3. Step 3: Cross multiply
    84,246.44x = 126,307.23 × 39,821.29
  4. Step 4: Simplify right side
    84,246.44x = 5,029,716,834.93
  5. Step 5: Solve for x
    x = 5,029,716,834.93/84,246.44
  6. Step 6: Final answer
    x = 59,702.43

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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.