Home / 79,341.26-109,487.31-43,530.53

Finding the Fourth Proportional to 79,341.26, 109,487.31 and 43,530.53

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Solution

The fourth proportional to 79,341.26, 109,487.31 and 43,530.53 is: 60,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,341.26 : 109,487.31 = 43,530.53 : x
  2. Step 2: Convert to fraction form
    79,341.26/109,487.31 = 43,530.53/x
  3. Step 3: Cross multiply
    79,341.26x = 109,487.31 × 43,530.53
  4. Step 4: Simplify right side
    79,341.26x = 4,766,040,632.57
  5. Step 5: Solve for x
    x = 4,766,040,632.57/79,341.26
  6. Step 6: Final answer
    x = 60,070.14

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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.