Home / 74,843.12-112,233.70-30,439.73

Finding the Fourth Proportional to 74,843.12, 112,233.70 and 30,439.73

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Solution

The fourth proportional to 74,843.12, 112,233.70 and 30,439.73 is: 45,647.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,843.12 : 112,233.70 = 30,439.73 : x
  2. Step 2: Convert to fraction form
    74,843.12/112,233.70 = 30,439.73/x
  3. Step 3: Cross multiply
    74,843.12x = 112,233.70 × 30,439.73
  4. Step 4: Simplify right side
    74,843.12x = 3,416,363,843.53
  5. Step 5: Solve for x
    x = 3,416,363,843.53/74,843.12
  6. Step 6: Final answer
    x = 45,647.00

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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.