Home / 67,063.12-92,555.28-38,393.44

Finding the Fourth Proportional to 67,063.12, 92,555.28 and 38,393.44

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Solution

The fourth proportional to 67,063.12, 92,555.28 and 38,393.44 is: 52,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,063.12 : 92,555.28 = 38,393.44 : x
  2. Step 2: Convert to fraction form
    67,063.12/92,555.28 = 38,393.44/x
  3. Step 3: Cross multiply
    67,063.12x = 92,555.28 × 38,393.44
  4. Step 4: Simplify right side
    67,063.12x = 3,553,515,589.36
  5. Step 5: Solve for x
    x = 3,553,515,589.36/67,063.12
  6. Step 6: Final answer
    x = 52,987.63

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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.