Home / 85,084.19-117,422.96-49,274.84

Finding the Fourth Proportional to 85,084.19, 117,422.96 and 49,274.84

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Solution

The fourth proportional to 85,084.19, 117,422.96 and 49,274.84 is: 68,003.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,084.19 : 117,422.96 = 49,274.84 : x
  2. Step 2: Convert to fraction form
    85,084.19/117,422.96 = 49,274.84/x
  3. Step 3: Cross multiply
    85,084.19x = 117,422.96 × 49,274.84
  4. Step 4: Simplify right side
    85,084.19x = 5,785,996,732.84
  5. Step 5: Solve for x
    x = 5,785,996,732.84/85,084.19
  6. Step 6: Final answer
    x = 68,003.20

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1.5x scale

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.