Home / 79,267.52-109,389.14-43,456.76

Finding the Fourth Proportional to 79,267.52, 109,389.14 and 43,456.76

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Solution

The fourth proportional to 79,267.52, 109,389.14 and 43,456.76 is: 59,970.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.52 : 109,389.14 = 43,456.76 : x
  2. Step 2: Convert to fraction form
    79,267.52/109,389.14 = 43,456.76/x
  3. Step 3: Cross multiply
    79,267.52x = 109,389.14 × 43,456.76
  4. Step 4: Simplify right side
    79,267.52x = 4,753,697,575.49
  5. Step 5: Solve for x
    x = 4,753,697,575.49/79,267.52
  6. Step 6: Final answer
    x = 59,970.31

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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.