Home / 61,204.10-91,806.15-36,320.90

Finding the Fourth Proportional to 61,204.10, 91,806.15 and 36,320.90

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Solution

The fourth proportional to 61,204.10, 91,806.15 and 36,320.90 is: 54,481.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,204.10 : 91,806.15 = 36,320.90 : x
  2. Step 2: Convert to fraction form
    61,204.10/91,806.15 = 36,320.90/x
  3. Step 3: Cross multiply
    61,204.10x = 91,806.15 × 36,320.90
  4. Step 4: Simplify right side
    61,204.10x = 3,334,481,993.54
  5. Step 5: Solve for x
    x = 3,334,481,993.54/61,204.10
  6. Step 6: Final answer
    x = 54,481.35

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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.