Home / 83,254.20-124,881.30-48,283.80

Finding the Fourth Proportional to 83,254.20, 124,881.30 and 48,283.80

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Solution

The fourth proportional to 83,254.20, 124,881.30 and 48,283.80 is: 72,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,254.20 : 124,881.30 = 48,283.80 : x
  2. Step 2: Convert to fraction form
    83,254.20/124,881.30 = 48,283.80/x
  3. Step 3: Cross multiply
    83,254.20x = 124,881.30 × 48,283.80
  4. Step 4: Simplify right side
    83,254.20x = 6,029,743,712.94
  5. Step 5: Solve for x
    x = 6,029,743,712.94/83,254.20
  6. Step 6: Final answer
    x = 72,425.70

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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.