Home / 85,512.48-118,002.87-49,696.71

Finding the Fourth Proportional to 85,512.48, 118,002.87 and 49,696.71

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Solution

The fourth proportional to 85,512.48, 118,002.87 and 49,696.71 is: 68,578.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,512.48 : 118,002.87 = 49,696.71 : x
  2. Step 2: Convert to fraction form
    85,512.48/118,002.87 = 49,696.71/x
  3. Step 3: Cross multiply
    85,512.48x = 118,002.87 × 49,696.71
  4. Step 4: Simplify right side
    85,512.48x = 5,864,354,409.56
  5. Step 5: Solve for x
    x = 5,864,354,409.56/85,512.48
  6. Step 6: Final answer
    x = 68,578.93

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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.