Home / 83,778.96-115,614.39-45,537.55

Finding the Fourth Proportional to 83,778.96, 115,614.39 and 45,537.55

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Solution

The fourth proportional to 83,778.96, 115,614.39 and 45,537.55 is: 62,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,778.96 : 115,614.39 = 45,537.55 : x
  2. Step 2: Convert to fraction form
    83,778.96/115,614.39 = 45,537.55/x
  3. Step 3: Cross multiply
    83,778.96x = 115,614.39 × 45,537.55
  4. Step 4: Simplify right side
    83,778.96x = 5,264,796,503.84
  5. Step 5: Solve for x
    x = 5,264,796,503.84/83,778.96
  6. Step 6: Final answer
    x = 62,841.51

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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.