Home / 61,920.18-85,450.20-33,625.86

Finding the Fourth Proportional to 61,920.18, 85,450.20 and 33,625.86

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Solution

The fourth proportional to 61,920.18, 85,450.20 and 33,625.86 is: 46,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,920.18 : 85,450.20 = 33,625.86 : x
  2. Step 2: Convert to fraction form
    61,920.18/85,450.20 = 33,625.86/x
  3. Step 3: Cross multiply
    61,920.18x = 85,450.20 × 33,625.86
  4. Step 4: Simplify right side
    61,920.18x = 2,873,336,462.17
  5. Step 5: Solve for x
    x = 2,873,336,462.17/61,920.18
  6. Step 6: Final answer
    x = 46,403.88

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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.