Home / 83,040.12-114,610.08-49,046.40

Finding the Fourth Proportional to 83,040.12, 114,610.08 and 49,046.40

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Solution

The fourth proportional to 83,040.12, 114,610.08 and 49,046.40 is: 67,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,040.12 : 114,610.08 = 49,046.40 : x
  2. Step 2: Convert to fraction form
    83,040.12/114,610.08 = 49,046.40/x
  3. Step 3: Cross multiply
    83,040.12x = 114,610.08 × 49,046.40
  4. Step 4: Simplify right side
    83,040.12x = 5,621,211,827.71
  5. Step 5: Solve for x
    x = 5,621,211,827.71/83,040.12
  6. Step 6: Final answer
    x = 67,692.72

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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.