Home / 83,753.45-115,589.59-49,762.22

Finding the Fourth Proportional to 83,753.45, 115,589.59 and 49,762.22

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Solution

The fourth proportional to 83,753.45, 115,589.59 and 49,762.22 is: 68,677.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,753.45 : 115,589.59 = 49,762.22 : x
  2. Step 2: Convert to fraction form
    83,753.45/115,589.59 = 49,762.22/x
  3. Step 3: Cross multiply
    83,753.45x = 115,589.59 × 49,762.22
  4. Step 4: Simplify right side
    83,753.45x = 5,751,993,904.94
  5. Step 5: Solve for x
    x = 5,751,993,904.94/83,753.45
  6. Step 6: Final answer
    x = 68,677.70

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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.