Home / 112,479.12-168,371.19-61,751.25

Finding the Fourth Proportional to 112,479.12, 168,371.19 and 61,751.25

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Solution

The fourth proportional to 112,479.12, 168,371.19 and 61,751.25 is: 92,436.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,479.12 : 168,371.19 = 61,751.25 : x
  2. Step 2: Convert to fraction form
    112,479.12/168,371.19 = 61,751.25/x
  3. Step 3: Cross multiply
    112,479.12x = 168,371.19 × 61,751.25
  4. Step 4: Simplify right side
    112,479.12x = 10,397,131,446.49
  5. Step 5: Solve for x
    x = 10,397,131,446.49/112,479.12
  6. Step 6: Final answer
    x = 92,436.10

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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.