Home / 83,819.43-125,811.77-61,570.35

Finding the Fourth Proportional to 83,819.43, 125,811.77 and 61,570.35

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Solution

The fourth proportional to 83,819.43, 125,811.77 and 61,570.35 is: 92,416.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,819.43 : 125,811.77 = 61,570.35 : x
  2. Step 2: Convert to fraction form
    83,819.43/125,811.77 = 61,570.35/x
  3. Step 3: Cross multiply
    83,819.43x = 125,811.77 × 61,570.35
  4. Step 4: Simplify right side
    83,819.43x = 7,746,274,405.17
  5. Step 5: Solve for x
    x = 7,746,274,405.17/83,819.43
  6. Step 6: Final answer
    x = 92,416.21

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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.