Home / 83,558.72-115,311.20-45,833.28

Finding the Fourth Proportional to 83,558.72, 115,311.20 and 45,833.28

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Solution

The fourth proportional to 83,558.72, 115,311.20 and 45,833.28 is: 63,250.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,558.72 : 115,311.20 = 45,833.28 : x
  2. Step 2: Convert to fraction form
    83,558.72/115,311.20 = 45,833.28/x
  3. Step 3: Cross multiply
    83,558.72x = 115,311.20 × 45,833.28
  4. Step 4: Simplify right side
    83,558.72x = 5,285,090,516.74
  5. Step 5: Solve for x
    x = 5,285,090,516.74/83,558.72
  6. Step 6: Final answer
    x = 63,250.02

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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.