Home / 79,091.92-109,146.85-43,281.93

Finding the Fourth Proportional to 79,091.92, 109,146.85 and 43,281.93

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Solution

The fourth proportional to 79,091.92, 109,146.85 and 43,281.93 is: 59,729.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,091.92 : 109,146.85 = 43,281.93 : x
  2. Step 2: Convert to fraction form
    79,091.92/109,146.85 = 43,281.93/x
  3. Step 3: Cross multiply
    79,091.92x = 109,146.85 × 43,281.93
  4. Step 4: Simplify right side
    79,091.92x = 4,724,086,213.22
  5. Step 5: Solve for x
    x = 4,724,086,213.22/79,091.92
  6. Step 6: Final answer
    x = 59,729.06

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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.