Home / 90,462.87-135,704.79-34,344.86

Finding the Fourth Proportional to 90,462.87, 135,704.79 and 34,344.86

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Solution

The fourth proportional to 90,462.87, 135,704.79 and 34,344.86 is: 51,521.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,462.87 : 135,704.79 = 34,344.86 : x
  2. Step 2: Convert to fraction form
    90,462.87/135,704.79 = 34,344.86/x
  3. Step 3: Cross multiply
    90,462.87x = 135,704.79 × 34,344.86
  4. Step 4: Simplify right side
    90,462.87x = 4,660,761,335.36
  5. Step 5: Solve for x
    x = 4,660,761,335.36/90,462.87
  6. Step 6: Final answer
    x = 51,521.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.