Home / 79,753.19-109,908.05-57,052.82

Finding the Fourth Proportional to 79,753.19, 109,908.05 and 57,052.82

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Solution

The fourth proportional to 79,753.19, 109,908.05 and 57,052.82 is: 78,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,753.19 : 109,908.05 = 57,052.82 : x
  2. Step 2: Convert to fraction form
    79,753.19/109,908.05 = 57,052.82/x
  3. Step 3: Cross multiply
    79,753.19x = 109,908.05 × 57,052.82
  4. Step 4: Simplify right side
    79,753.19x = 6,270,564,182.71
  5. Step 5: Solve for x
    x = 6,270,564,182.71/79,753.19
  6. Step 6: Final answer
    x = 78,624.62

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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.