Home / 61,910.38-85,440.18-35,055.64

Finding the Fourth Proportional to 61,910.38, 85,440.18 and 35,055.64

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Solution

The fourth proportional to 61,910.38, 85,440.18 and 35,055.64 is: 48,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,910.38 : 85,440.18 = 35,055.64 : x
  2. Step 2: Convert to fraction form
    61,910.38/85,440.18 = 35,055.64/x
  3. Step 3: Cross multiply
    61,910.38x = 85,440.18 × 35,055.64
  4. Step 4: Simplify right side
    61,910.38x = 2,995,160,191.62
  5. Step 5: Solve for x
    x = 2,995,160,191.62/61,910.38
  6. Step 6: Final answer
    x = 48,378.97

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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.