Home / 83,115.28-114,698.48-45,389.52

Finding the Fourth Proportional to 83,115.28, 114,698.48 and 45,389.52

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Solution

The fourth proportional to 83,115.28, 114,698.48 and 45,389.52 is: 62,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,115.28 : 114,698.48 = 45,389.52 : x
  2. Step 2: Convert to fraction form
    83,115.28/114,698.48 = 45,389.52/x
  3. Step 3: Cross multiply
    83,115.28x = 114,698.48 × 45,389.52
  4. Step 4: Simplify right side
    83,115.28x = 5,206,108,951.93
  5. Step 5: Solve for x
    x = 5,206,108,951.93/83,115.28
  6. Step 6: Final answer
    x = 62,637.21

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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.