Home / 74,912.20-112,441.10-58,451.40

Finding the Fourth Proportional to 74,912.20, 112,441.10 and 58,451.40

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Solution

The fourth proportional to 74,912.20, 112,441.10 and 58,451.40 is: 87,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,912.20 : 112,441.10 = 58,451.40 : x
  2. Step 2: Convert to fraction form
    74,912.20/112,441.10 = 58,451.40/x
  3. Step 3: Cross multiply
    74,912.20x = 112,441.10 × 58,451.40
  4. Step 4: Simplify right side
    74,912.20x = 6,572,339,712.54
  5. Step 5: Solve for x
    x = 6,572,339,712.54/74,912.20
  6. Step 6: Final answer
    x = 87,733.90

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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.