Home / 83,819.68-125,812.14-61,570.60

Finding the Fourth Proportional to 83,819.68, 125,812.14 and 61,570.60

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Solution

The fourth proportional to 83,819.68, 125,812.14 and 61,570.60 is: 92,416.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,819.68 : 125,812.14 = 61,570.60 : x
  2. Step 2: Convert to fraction form
    83,819.68/125,812.14 = 61,570.60/x
  3. Step 3: Cross multiply
    83,819.68x = 125,812.14 × 61,570.60
  4. Step 4: Simplify right side
    83,819.68x = 7,746,328,947.08
  5. Step 5: Solve for x
    x = 7,746,328,947.08/83,819.68
  6. Step 6: Final answer
    x = 92,416.59

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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.