Home / 82,948.40-124,422.60-49,770.80

Finding the Fourth Proportional to 82,948.40, 124,422.60 and 49,770.80

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Solution

The fourth proportional to 82,948.40, 124,422.60 and 49,770.80 is: 74,656.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,948.40 : 124,422.60 = 49,770.80 : x
  2. Step 2: Convert to fraction form
    82,948.40/124,422.60 = 49,770.80/x
  3. Step 3: Cross multiply
    82,948.40x = 124,422.60 × 49,770.80
  4. Step 4: Simplify right side
    82,948.40x = 6,192,612,340.08
  5. Step 5: Solve for x
    x = 6,192,612,340.08/82,948.40
  6. Step 6: Final answer
    x = 74,656.20

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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.