Home / 79,267.55-109,389.19-43,456.79

Finding the Fourth Proportional to 79,267.55, 109,389.19 and 43,456.79

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Solution

The fourth proportional to 79,267.55, 109,389.19 and 43,456.79 is: 59,970.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.55 : 109,389.19 = 43,456.79 : x
  2. Step 2: Convert to fraction form
    79,267.55/109,389.19 = 43,456.79/x
  3. Step 3: Cross multiply
    79,267.55x = 109,389.19 × 43,456.79
  4. Step 4: Simplify right side
    79,267.55x = 4,753,702,949.46
  5. Step 5: Solve for x
    x = 4,753,702,949.46/79,267.55
  6. Step 6: Final answer
    x = 59,970.35

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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.