Home / 42,521.12-63,781.68-35,093.60

Finding the Fourth Proportional to 42,521.12, 63,781.68 and 35,093.60

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Solution

The fourth proportional to 42,521.12, 63,781.68 and 35,093.60 is: 52,640.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521.12 : 63,781.68 = 35,093.60 : x
  2. Step 2: Convert to fraction form
    42,521.12/63,781.68 = 35,093.60/x
  3. Step 3: Cross multiply
    42,521.12x = 63,781.68 × 35,093.60
  4. Step 4: Simplify right side
    42,521.12x = 2,238,328,765.25
  5. Step 5: Solve for x
    x = 2,238,328,765.25/42,521.12
  6. Step 6: Final answer
    x = 52,640.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.