Home / 67,257.72-92,814.30-42,121.08

Finding the Fourth Proportional to 67,257.72, 92,814.30 and 42,121.08

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Solution

The fourth proportional to 67,257.72, 92,814.30 and 42,121.08 is: 58,126.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,257.72 : 92,814.30 = 42,121.08 : x
  2. Step 2: Convert to fraction form
    67,257.72/92,814.30 = 42,121.08/x
  3. Step 3: Cross multiply
    67,257.72x = 92,814.30 × 42,121.08
  4. Step 4: Simplify right side
    67,257.72x = 3,909,438,555.44
  5. Step 5: Solve for x
    x = 3,909,438,555.44/67,257.72
  6. Step 6: Final answer
    x = 58,126.24

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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.