Home / 83,958.77-115,861.45-45,718.79

Finding the Fourth Proportional to 83,958.77, 115,861.45 and 45,718.79

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Solution

The fourth proportional to 83,958.77, 115,861.45 and 45,718.79 is: 63,091.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,958.77 : 115,861.45 = 45,718.79 : x
  2. Step 2: Convert to fraction form
    83,958.77/115,861.45 = 45,718.79/x
  3. Step 3: Cross multiply
    83,958.77x = 115,861.45 × 45,718.79
  4. Step 4: Simplify right side
    83,958.77x = 5,297,045,042.52
  5. Step 5: Solve for x
    x = 5,297,045,042.52/83,958.77
  6. Step 6: Final answer
    x = 63,091.03

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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.