Home / 89,125.26-122,987.52-48,831

Finding the Fourth Proportional to 89,125.26, 122,987.52 and 48,831

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Solution

The fourth proportional to 89,125.26, 122,987.52 and 48,831 is: 67,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,125.26 : 122,987.52 = 48,831 : x
  2. Step 2: Convert to fraction form
    89,125.26/122,987.52 = 48,831/x
  3. Step 3: Cross multiply
    89,125.26x = 122,987.52 × 48,831
  4. Step 4: Simplify right side
    89,125.26x = 6,005,603,589.12
  5. Step 5: Solve for x
    x = 6,005,603,589.12/89,125.26
  6. Step 6: Final answer
    x = 67,383.85

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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.