Home / 83,863.06-125,493.09-61,621.18

Finding the Fourth Proportional to 83,863.06, 125,493.09 and 61,621.18

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Solution

The fourth proportional to 83,863.06, 125,493.09 and 61,621.18 is: 92,210.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.06 : 125,493.09 = 61,621.18 : x
  2. Step 2: Convert to fraction form
    83,863.06/125,493.09 = 61,621.18/x
  3. Step 3: Cross multiply
    83,863.06x = 125,493.09 × 61,621.18
  4. Step 4: Simplify right side
    83,863.06x = 7,733,032,287.65
  5. Step 5: Solve for x
    x = 7,733,032,287.65/83,863.06
  6. Step 6: Final answer
    x = 92,210.23

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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.