Home / 79,345.28-109,494.60-43,534.96

Finding the Fourth Proportional to 79,345.28, 109,494.60 and 43,534.96

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Solution

The fourth proportional to 79,345.28, 109,494.60 and 43,534.96 is: 60,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.28 : 109,494.60 = 43,534.96 : x
  2. Step 2: Convert to fraction form
    79,345.28/109,494.60 = 43,534.96/x
  3. Step 3: Cross multiply
    79,345.28x = 109,494.60 × 43,534.96
  4. Step 4: Simplify right side
    79,345.28x = 4,766,843,031.22
  5. Step 5: Solve for x
    x = 4,766,843,031.22/79,345.28
  6. Step 6: Final answer
    x = 60,077.21

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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.