Home / 67,157.13-92,670.21-38,471.31

Finding the Fourth Proportional to 67,157.13, 92,670.21 and 38,471.31

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Solution

The fourth proportional to 67,157.13, 92,670.21 and 38,471.31 is: 53,086.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157.13 : 92,670.21 = 38,471.31 : x
  2. Step 2: Convert to fraction form
    67,157.13/92,670.21 = 38,471.31/x
  3. Step 3: Cross multiply
    67,157.13x = 92,670.21 × 38,471.31
  4. Step 4: Simplify right side
    67,157.13x = 3,565,144,376.68
  5. Step 5: Solve for x
    x = 3,565,144,376.68/67,157.13
  6. Step 6: Final answer
    x = 53,086.61

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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.