Home / 90,884.10-125,418.87-52,648.86

Finding the Fourth Proportional to 90,884.10, 125,418.87 and 52,648.86

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Solution

The fourth proportional to 90,884.10, 125,418.87 and 52,648.86 is: 72,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,884.10 : 125,418.87 = 52,648.86 : x
  2. Step 2: Convert to fraction form
    90,884.10/125,418.87 = 52,648.86/x
  3. Step 3: Cross multiply
    90,884.10x = 125,418.87 × 52,648.86
  4. Step 4: Simplify right side
    90,884.10x = 6,603,160,527.99
  5. Step 5: Solve for x
    x = 6,603,160,527.99/90,884.10
  6. Step 6: Final answer
    x = 72,654.74

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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.