Home / 74,311.56-111,471-29,932.32

Finding the Fourth Proportional to 74,311.56, 111,471 and 29,932.32

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Solution

The fourth proportional to 74,311.56, 111,471 and 29,932.32 is: 44,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,311.56 : 111,471 = 29,932.32 : x
  2. Step 2: Convert to fraction form
    74,311.56/111,471 = 29,932.32/x
  3. Step 3: Cross multiply
    74,311.56x = 111,471 × 29,932.32
  4. Step 4: Simplify right side
    74,311.56x = 3,336,585,642.72
  5. Step 5: Solve for x
    x = 3,336,585,642.72/74,311.56
  6. Step 6: Final answer
    x = 44,899.95

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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.