Home / 85,119.62-117,447.20-49,307.48

Finding the Fourth Proportional to 85,119.62, 117,447.20 and 49,307.48

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Solution

The fourth proportional to 85,119.62, 117,447.20 and 49,307.48 is: 68,033.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,119.62 : 117,447.20 = 49,307.48 : x
  2. Step 2: Convert to fraction form
    85,119.62/117,447.20 = 49,307.48/x
  3. Step 3: Cross multiply
    85,119.62x = 117,447.20 × 49,307.48
  4. Step 4: Simplify right side
    85,119.62x = 5,791,025,465.06
  5. Step 5: Solve for x
    x = 5,791,025,465.06/85,119.62
  6. Step 6: Final answer
    x = 68,033.97

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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.