Home / 83,353.22-115,026.51-45,111.90

Finding the Fourth Proportional to 83,353.22, 115,026.51 and 45,111.90

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Solution

The fourth proportional to 83,353.22, 115,026.51 and 45,111.90 is: 62,253.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,353.22 : 115,026.51 = 45,111.90 : x
  2. Step 2: Convert to fraction form
    83,353.22/115,026.51 = 45,111.90/x
  3. Step 3: Cross multiply
    83,353.22x = 115,026.51 × 45,111.90
  4. Step 4: Simplify right side
    83,353.22x = 5,189,065,016.99
  5. Step 5: Solve for x
    x = 5,189,065,016.99/83,353.22
  6. Step 6: Final answer
    x = 62,253.92

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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.