Home / 79,526.23-109,751.38-49,331.61

Finding the Fourth Proportional to 79,526.23, 109,751.38 and 49,331.61

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Solution

The fourth proportional to 79,526.23, 109,751.38 and 49,331.61 is: 68,080.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,526.23 : 109,751.38 = 49,331.61 : x
  2. Step 2: Convert to fraction form
    79,526.23/109,751.38 = 49,331.61/x
  3. Step 3: Cross multiply
    79,526.23x = 109,751.38 × 49,331.61
  4. Step 4: Simplify right side
    79,526.23x = 5,414,212,275.12
  5. Step 5: Solve for x
    x = 5,414,212,275.12/79,526.23
  6. Step 6: Final answer
    x = 68,080.84

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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.