Home / 83,095.80-114,727.05-51,311.40

Finding the Fourth Proportional to 83,095.80, 114,727.05 and 51,311.40

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Solution

The fourth proportional to 83,095.80, 114,727.05 and 51,311.40 is: 70,843.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,095.80 : 114,727.05 = 51,311.40 : x
  2. Step 2: Convert to fraction form
    83,095.80/114,727.05 = 51,311.40/x
  3. Step 3: Cross multiply
    83,095.80x = 114,727.05 × 51,311.40
  4. Step 4: Simplify right side
    83,095.80x = 5,886,805,553.37
  5. Step 5: Solve for x
    x = 5,886,805,553.37/83,095.80
  6. Step 6: Final answer
    x = 70,843.60

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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.