Home / 61,149.04-91,732.67-21,702.85

Finding the Fourth Proportional to 61,149.04, 91,732.67 and 21,702.85

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Solution

The fourth proportional to 61,149.04, 91,732.67 and 21,702.85 is: 32,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,149.04 : 91,732.67 = 21,702.85 : x
  2. Step 2: Convert to fraction form
    61,149.04/91,732.67 = 21,702.85/x
  3. Step 3: Cross multiply
    61,149.04x = 91,732.67 × 21,702.85
  4. Step 4: Simplify right side
    61,149.04x = 1,990,860,147.78
  5. Step 5: Solve for x
    x = 1,990,860,147.78/61,149.04
  6. Step 6: Final answer
    x = 32,557.51

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1.5x scale

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.