Home / 67,031.56-92,506.38-40,169.02

Finding the Fourth Proportional to 67,031.56, 92,506.38 and 40,169.02

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Solution

The fourth proportional to 67,031.56, 92,506.38 and 40,169.02 is: 55,434.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,031.56 : 92,506.38 = 40,169.02 : x
  2. Step 2: Convert to fraction form
    67,031.56/92,506.38 = 40,169.02/x
  3. Step 3: Cross multiply
    67,031.56x = 92,506.38 × 40,169.02
  4. Step 4: Simplify right side
    67,031.56x = 3,715,890,628.35
  5. Step 5: Solve for x
    x = 3,715,890,628.35/67,031.56
  6. Step 6: Final answer
    x = 55,434.94

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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.