Home / 61,612.21-85,024.88-33,317.90

Finding the Fourth Proportional to 61,612.21, 85,024.88 and 33,317.90

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Solution

The fourth proportional to 61,612.21, 85,024.88 and 33,317.90 is: 45,978.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,612.21 : 85,024.88 = 33,317.90 : x
  2. Step 2: Convert to fraction form
    61,612.21/85,024.88 = 33,317.90/x
  3. Step 3: Cross multiply
    61,612.21x = 85,024.88 × 33,317.90
  4. Step 4: Simplify right side
    61,612.21x = 2,832,850,107.52
  5. Step 5: Solve for x
    x = 2,832,850,107.52/61,612.21
  6. Step 6: Final answer
    x = 45,978.71

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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.