Home / 85,452.28-117,925.98-47,726.60

Finding the Fourth Proportional to 85,452.28, 117,925.98 and 47,726.60

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Solution

The fourth proportional to 85,452.28, 117,925.98 and 47,726.60 is: 65,863.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,452.28 : 117,925.98 = 47,726.60 : x
  2. Step 2: Convert to fraction form
    85,452.28/117,925.98 = 47,726.60/x
  3. Step 3: Cross multiply
    85,452.28x = 117,925.98 × 47,726.60
  4. Step 4: Simplify right side
    85,452.28x = 5,628,206,077.07
  5. Step 5: Solve for x
    x = 5,628,206,077.07/85,452.28
  6. Step 6: Final answer
    x = 65,863.73

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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.