Home / 85,684.78-118,244.98-47,959.04

Finding the Fourth Proportional to 85,684.78, 118,244.98 and 47,959.04

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Solution

The fourth proportional to 85,684.78, 118,244.98 and 47,959.04 is: 66,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,684.78 : 118,244.98 = 47,959.04 : x
  2. Step 2: Convert to fraction form
    85,684.78/118,244.98 = 47,959.04/x
  3. Step 3: Cross multiply
    85,684.78x = 118,244.98 × 47,959.04
  4. Step 4: Simplify right side
    85,684.78x = 5,670,915,725.62
  5. Step 5: Solve for x
    x = 5,670,915,725.62/85,684.78
  6. Step 6: Final answer
    x = 66,183.47

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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.