Home / 79,261.09-109,384.49-43,452.61

Finding the Fourth Proportional to 79,261.09, 109,384.49 and 43,452.61

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Solution

The fourth proportional to 79,261.09, 109,384.49 and 43,452.61 is: 59,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,261.09 : 109,384.49 = 43,452.61 : x
  2. Step 2: Convert to fraction form
    79,261.09/109,384.49 = 43,452.61/x
  3. Step 3: Cross multiply
    79,261.09x = 109,384.49 × 43,452.61
  4. Step 4: Simplify right side
    79,261.09x = 4,753,041,419.19
  5. Step 5: Solve for x
    x = 4,753,041,419.19/79,261.09
  6. Step 6: Final answer
    x = 59,966.90

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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.