Home / 79,865.16-110,221.68-59,687.04

Finding the Fourth Proportional to 79,865.16, 110,221.68 and 59,687.04

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Solution

The fourth proportional to 79,865.16, 110,221.68 and 59,687.04 is: 82,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,865.16 : 110,221.68 = 59,687.04 : x
  2. Step 2: Convert to fraction form
    79,865.16/110,221.68 = 59,687.04/x
  3. Step 3: Cross multiply
    79,865.16x = 110,221.68 × 59,687.04
  4. Step 4: Simplify right side
    79,865.16x = 6,578,805,823.03
  5. Step 5: Solve for x
    x = 6,578,805,823.03/79,865.16
  6. Step 6: Final answer
    x = 82,373.91

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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.