Home / 83,182.41-124,822.76-43,742.57

Finding the Fourth Proportional to 83,182.41, 124,822.76 and 43,742.57

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Solution

The fourth proportional to 83,182.41, 124,822.76 and 43,742.57 is: 65,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,182.41 : 124,822.76 = 43,742.57 : x
  2. Step 2: Convert to fraction form
    83,182.41/124,822.76 = 43,742.57/x
  3. Step 3: Cross multiply
    83,182.41x = 124,822.76 × 43,742.57
  4. Step 4: Simplify right side
    83,182.41x = 5,460,067,474.07
  5. Step 5: Solve for x
    x = 5,460,067,474.07/83,182.41
  6. Step 6: Final answer
    x = 65,639.69

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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.