Home / 70,934.10-106,392.48-18,339.18

Finding the Fourth Proportional to 70,934.10, 106,392.48 and 18,339.18

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Solution

The fourth proportional to 70,934.10, 106,392.48 and 18,339.18 is: 27,506.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,934.10 : 106,392.48 = 18,339.18 : x
  2. Step 2: Convert to fraction form
    70,934.10/106,392.48 = 18,339.18/x
  3. Step 3: Cross multiply
    70,934.10x = 106,392.48 × 18,339.18
  4. Step 4: Simplify right side
    70,934.10x = 1,951,150,841.37
  5. Step 5: Solve for x
    x = 1,951,150,841.37/70,934.10
  6. Step 6: Final answer
    x = 27,506.53

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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.