Home / 83,908.18-125,808.04-35,908.13

Finding the Fourth Proportional to 83,908.18, 125,808.04 and 35,908.13

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Solution

The fourth proportional to 83,908.18, 125,808.04 and 35,908.13 is: 53,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,908.18 : 125,808.04 = 35,908.13 : x
  2. Step 2: Convert to fraction form
    83,908.18/125,808.04 = 35,908.13/x
  3. Step 3: Cross multiply
    83,908.18x = 125,808.04 × 35,908.13
  4. Step 4: Simplify right side
    83,908.18x = 4,517,530,905.12
  5. Step 5: Solve for x
    x = 4,517,530,905.12/83,908.18
  6. Step 6: Final answer
    x = 53,838.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.