Home / 85,264.40-117,634.02-49,434.68

Finding the Fourth Proportional to 85,264.40, 117,634.02 and 49,434.68

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Solution

The fourth proportional to 85,264.40, 117,634.02 and 49,434.68 is: 68,201.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,264.40 : 117,634.02 = 49,434.68 : x
  2. Step 2: Convert to fraction form
    85,264.40/117,634.02 = 49,434.68/x
  3. Step 3: Cross multiply
    85,264.40x = 117,634.02 × 49,434.68
  4. Step 4: Simplify right side
    85,264.40x = 5,815,200,135.81
  5. Step 5: Solve for x
    x = 5,815,200,135.81/85,264.40
  6. Step 6: Final answer
    x = 68,201.97

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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.