Home / 83,354.16-115,028.00-45,112.95

Finding the Fourth Proportional to 83,354.16, 115,028.00 and 45,112.95

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Solution

The fourth proportional to 83,354.16, 115,028.00 and 45,112.95 is: 62,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,354.16 : 115,028.00 = 45,112.95 : x
  2. Step 2: Convert to fraction form
    83,354.16/115,028.00 = 45,112.95/x
  3. Step 3: Cross multiply
    83,354.16x = 115,028.00 × 45,112.95
  4. Step 4: Simplify right side
    83,354.16x = 5,189,252,356.21
  5. Step 5: Solve for x
    x = 5,189,252,356.21/83,354.16
  6. Step 6: Final answer
    x = 62,255.47

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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.