Home / 103,922.52-143,414.46-61,479.96

Finding the Fourth Proportional to 103,922.52, 143,414.46 and 61,479.96

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Solution

The fourth proportional to 103,922.52, 143,414.46 and 61,479.96 is: 84,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,922.52 : 143,414.46 = 61,479.96 : x
  2. Step 2: Convert to fraction form
    103,922.52/143,414.46 = 61,479.96/x
  3. Step 3: Cross multiply
    103,922.52x = 143,414.46 × 61,479.96
  4. Step 4: Simplify right side
    103,922.52x = 8,817,115,264.22
  5. Step 5: Solve for x
    x = 8,817,115,264.22/103,922.52
  6. Step 6: Final answer
    x = 84,843.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.