Home / 61,211.16-84,469.20-34,354.80

Finding the Fourth Proportional to 61,211.16, 84,469.20 and 34,354.80

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Solution

The fourth proportional to 61,211.16, 84,469.20 and 34,354.80 is: 47,408.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,211.16 : 84,469.20 = 34,354.80 : x
  2. Step 2: Convert to fraction form
    61,211.16/84,469.20 = 34,354.80/x
  3. Step 3: Cross multiply
    61,211.16x = 84,469.20 × 34,354.80
  4. Step 4: Simplify right side
    61,211.16x = 2,901,922,472.16
  5. Step 5: Solve for x
    x = 2,901,922,472.16/61,211.16
  6. Step 6: Final answer
    x = 47,408.39

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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.