Home / 83,862.06-125,491.59-61,620.18

Finding the Fourth Proportional to 83,862.06, 125,491.59 and 61,620.18

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Solution

The fourth proportional to 83,862.06, 125,491.59 and 61,620.18 is: 92,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,862.06 : 125,491.59 = 61,620.18 : x
  2. Step 2: Convert to fraction form
    83,862.06/125,491.59 = 61,620.18/x
  3. Step 3: Cross multiply
    83,862.06x = 125,491.59 × 61,620.18
  4. Step 4: Simplify right side
    83,862.06x = 7,732,814,364.29
  5. Step 5: Solve for x
    x = 7,732,814,364.29/83,862.06
  6. Step 6: Final answer
    x = 92,208.73

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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.