Home / 85,625.33-118,160.28-47,382.57

Finding the Fourth Proportional to 85,625.33, 118,160.28 and 47,382.57

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Solution

The fourth proportional to 85,625.33, 118,160.28 and 47,382.57 is: 65,386.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,625.33 : 118,160.28 = 47,382.57 : x
  2. Step 2: Convert to fraction form
    85,625.33/118,160.28 = 47,382.57/x
  3. Step 3: Cross multiply
    85,625.33x = 118,160.28 × 47,382.57
  4. Step 4: Simplify right side
    85,625.33x = 5,598,737,738.32
  5. Step 5: Solve for x
    x = 5,598,737,738.32/85,625.33
  6. Step 6: Final answer
    x = 65,386.47

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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.