Home / 83,159.92-114,762.24-45,433.36

Finding the Fourth Proportional to 83,159.92, 114,762.24 and 45,433.36

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Solution

The fourth proportional to 83,159.92, 114,762.24 and 45,433.36 is: 62,698.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,159.92 : 114,762.24 = 45,433.36 : x
  2. Step 2: Convert to fraction form
    83,159.92/114,762.24 = 45,433.36/x
  3. Step 3: Cross multiply
    83,159.92x = 114,762.24 × 45,433.36
  4. Step 4: Simplify right side
    83,159.92x = 5,214,034,164.33
  5. Step 5: Solve for x
    x = 5,214,034,164.33/83,159.92
  6. Step 6: Final answer
    x = 62,698.88

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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.