Home / 83,215.40-124,827.15-23,243.81

Finding the Fourth Proportional to 83,215.40, 124,827.15 and 23,243.81

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Solution

The fourth proportional to 83,215.40, 124,827.15 and 23,243.81 is: 34,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,215.40 : 124,827.15 = 23,243.81 : x
  2. Step 2: Convert to fraction form
    83,215.40/124,827.15 = 23,243.81/x
  3. Step 3: Cross multiply
    83,215.40x = 124,827.15 × 23,243.81
  4. Step 4: Simplify right side
    83,215.40x = 2,901,458,557.44
  5. Step 5: Solve for x
    x = 2,901,458,557.44/83,215.40
  6. Step 6: Final answer
    x = 34,866.85

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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.