Home / 101,983.28-140,746.92-58,964.60

Finding the Fourth Proportional to 101,983.28, 140,746.92 and 58,964.60

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Solution

The fourth proportional to 101,983.28, 140,746.92 and 58,964.60 is: 81,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,983.28 : 140,746.92 = 58,964.60 : x
  2. Step 2: Convert to fraction form
    101,983.28/140,746.92 = 58,964.60/x
  3. Step 3: Cross multiply
    101,983.28x = 140,746.92 × 58,964.60
  4. Step 4: Simplify right side
    101,983.28x = 8,299,085,839.03
  5. Step 5: Solve for x
    x = 8,299,085,839.03/101,983.28
  6. Step 6: Final answer
    x = 81,376.93

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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.