Home / 113,071.20-169,418.16-49,797.12

Finding the Fourth Proportional to 113,071.20, 169,418.16 and 49,797.12

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Solution

The fourth proportional to 113,071.20, 169,418.16 and 49,797.12 is: 74,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,071.20 : 169,418.16 = 49,797.12 : x
  2. Step 2: Convert to fraction form
    113,071.20/169,418.16 = 49,797.12/x
  3. Step 3: Cross multiply
    113,071.20x = 169,418.16 × 49,797.12
  4. Step 4: Simplify right side
    113,071.20x = 8,436,536,443.70
  5. Step 5: Solve for x
    x = 8,436,536,443.70/113,071.20
  6. Step 6: Final answer
    x = 74,612.60

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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.