Home / 67,138.27-100,488.30-49,364.22

Finding the Fourth Proportional to 67,138.27, 100,488.30 and 49,364.22

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Solution

The fourth proportional to 67,138.27, 100,488.30 and 49,364.22 is: 73,885.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.27 : 100,488.30 = 49,364.22 : x
  2. Step 2: Convert to fraction form
    67,138.27/100,488.30 = 49,364.22/x
  3. Step 3: Cross multiply
    67,138.27x = 100,488.30 × 49,364.22
  4. Step 4: Simplify right side
    67,138.27x = 4,960,526,548.63
  5. Step 5: Solve for x
    x = 4,960,526,548.63/67,138.27
  6. Step 6: Final answer
    x = 73,885.23

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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.