Home / 83,856.92-115,730.73-62,599.28

Finding the Fourth Proportional to 83,856.92, 115,730.73 and 62,599.28

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Solution

The fourth proportional to 83,856.92, 115,730.73 and 62,599.28 is: 86,393.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,856.92 : 115,730.73 = 62,599.28 : x
  2. Step 2: Convert to fraction form
    83,856.92/115,730.73 = 62,599.28/x
  3. Step 3: Cross multiply
    83,856.92x = 115,730.73 × 62,599.28
  4. Step 4: Simplify right side
    83,856.92x = 7,244,659,793.22
  5. Step 5: Solve for x
    x = 7,244,659,793.22/83,856.92
  6. Step 6: Final answer
    x = 86,393.11

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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.