Home / 68,741.18-94,865.46-38,526.74

Finding the Fourth Proportional to 68,741.18, 94,865.46 and 38,526.74

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Solution

The fourth proportional to 68,741.18, 94,865.46 and 38,526.74 is: 53,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,741.18 : 94,865.46 = 38,526.74 : x
  2. Step 2: Convert to fraction form
    68,741.18/94,865.46 = 38,526.74/x
  3. Step 3: Cross multiply
    68,741.18x = 94,865.46 × 38,526.74
  4. Step 4: Simplify right side
    68,741.18x = 3,654,856,912.40
  5. Step 5: Solve for x
    x = 3,654,856,912.40/68,741.18
  6. Step 6: Final answer
    x = 53,168.38

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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.