Home / 83,255.86-124,825.38-30,658.60

Finding the Fourth Proportional to 83,255.86, 124,825.38 and 30,658.60

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Solution

The fourth proportional to 83,255.86, 124,825.38 and 30,658.60 is: 45,966.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,255.86 : 124,825.38 = 30,658.60 : x
  2. Step 2: Convert to fraction form
    83,255.86/124,825.38 = 30,658.60/x
  3. Step 3: Cross multiply
    83,255.86x = 124,825.38 × 30,658.60
  4. Step 4: Simplify right side
    83,255.86x = 3,826,971,395.27
  5. Step 5: Solve for x
    x = 3,826,971,395.27/83,255.86
  6. Step 6: Final answer
    x = 45,966.39

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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.