Home / 67,191.83-92,734.93-40,349.14

Finding the Fourth Proportional to 67,191.83, 92,734.93 and 40,349.14

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Solution

The fourth proportional to 67,191.83, 92,734.93 and 40,349.14 is: 55,687.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,191.83 : 92,734.93 = 40,349.14 : x
  2. Step 2: Convert to fraction form
    67,191.83/92,734.93 = 40,349.14/x
  3. Step 3: Cross multiply
    67,191.83x = 92,734.93 × 40,349.14
  4. Step 4: Simplify right side
    67,191.83x = 3,741,774,774.33
  5. Step 5: Solve for x
    x = 3,741,774,774.33/67,191.83
  6. Step 6: Final answer
    x = 55,687.94

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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.