Home / 83,746.20-125,579.70-48,696.60

Finding the Fourth Proportional to 83,746.20, 125,579.70 and 48,696.60

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Solution

The fourth proportional to 83,746.20, 125,579.70 and 48,696.60 is: 73,021.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.20 : 125,579.70 = 48,696.60 : x
  2. Step 2: Convert to fraction form
    83,746.20/125,579.70 = 48,696.60/x
  3. Step 3: Cross multiply
    83,746.20x = 125,579.70 × 48,696.60
  4. Step 4: Simplify right side
    83,746.20x = 6,115,304,419.02
  5. Step 5: Solve for x
    x = 6,115,304,419.02/83,746.20
  6. Step 6: Final answer
    x = 73,021.87

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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.