Home / 83,558.74-125,381.22-55,498.18

Finding the Fourth Proportional to 83,558.74, 125,381.22 and 55,498.18

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Solution

The fourth proportional to 83,558.74, 125,381.22 and 55,498.18 is: 83,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,558.74 : 125,381.22 = 55,498.18 : x
  2. Step 2: Convert to fraction form
    83,558.74/125,381.22 = 55,498.18/x
  3. Step 3: Cross multiply
    83,558.74x = 125,381.22 × 55,498.18
  4. Step 4: Simplify right side
    83,558.74x = 6,958,429,516.18
  5. Step 5: Solve for x
    x = 6,958,429,516.18/83,558.74
  6. Step 6: Final answer
    x = 83,275.90

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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.