Home / 80,663.76-111,313.44-44,853.12

Finding the Fourth Proportional to 80,663.76, 111,313.44 and 44,853.12

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Solution

The fourth proportional to 80,663.76, 111,313.44 and 44,853.12 is: 61,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,663.76 : 111,313.44 = 44,853.12 : x
  2. Step 2: Convert to fraction form
    80,663.76/111,313.44 = 44,853.12/x
  3. Step 3: Cross multiply
    80,663.76x = 111,313.44 × 44,853.12
  4. Step 4: Simplify right side
    80,663.76x = 4,992,755,081.93
  5. Step 5: Solve for x
    x = 4,992,755,081.93/80,663.76
  6. Step 6: Final answer
    x = 61,895.89

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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.