Home / 83,054.40-124,581.60-49,876.80

Finding the Fourth Proportional to 83,054.40, 124,581.60 and 49,876.80

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Solution

The fourth proportional to 83,054.40, 124,581.60 and 49,876.80 is: 74,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,054.40 : 124,581.60 = 49,876.80 : x
  2. Step 2: Convert to fraction form
    83,054.40/124,581.60 = 49,876.80/x
  3. Step 3: Cross multiply
    83,054.40x = 124,581.60 × 49,876.80
  4. Step 4: Simplify right side
    83,054.40x = 6,213,731,546.88
  5. Step 5: Solve for x
    x = 6,213,731,546.88/83,054.40
  6. Step 6: Final answer
    x = 74,815.20

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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.