Home / 83,624.90-115,394.62-49,627.50

Finding the Fourth Proportional to 83,624.90, 115,394.62 and 49,627.50

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Solution

The fourth proportional to 83,624.90, 115,394.62 and 49,627.50 is: 68,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,624.90 : 115,394.62 = 49,627.50 : x
  2. Step 2: Convert to fraction form
    83,624.90/115,394.62 = 49,627.50/x
  3. Step 3: Cross multiply
    83,624.90x = 115,394.62 × 49,627.50
  4. Step 4: Simplify right side
    83,624.90x = 5,726,746,504.05
  5. Step 5: Solve for x
    x = 5,726,746,504.05/83,624.90
  6. Step 6: Final answer
    x = 68,481.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.