Home / 85,689.26-118,251.06-47,963.50

Finding the Fourth Proportional to 85,689.26, 118,251.06 and 47,963.50

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Solution

The fourth proportional to 85,689.26, 118,251.06 and 47,963.50 is: 66,189.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,689.26 : 118,251.06 = 47,963.50 : x
  2. Step 2: Convert to fraction form
    85,689.26/118,251.06 = 47,963.50/x
  3. Step 3: Cross multiply
    85,689.26x = 118,251.06 × 47,963.50
  4. Step 4: Simplify right side
    85,689.26x = 5,671,734,716.31
  5. Step 5: Solve for x
    x = 5,671,734,716.31/85,689.26
  6. Step 6: Final answer
    x = 66,189.56

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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.