Home / 70,774.71-106,162.07-18,184.19

Finding the Fourth Proportional to 70,774.71, 106,162.07 and 18,184.19

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Solution

The fourth proportional to 70,774.71, 106,162.07 and 18,184.19 is: 27,276.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,774.71 : 106,162.07 = 18,184.19 : x
  2. Step 2: Convert to fraction form
    70,774.71/106,162.07 = 18,184.19/x
  3. Step 3: Cross multiply
    70,774.71x = 106,162.07 × 18,184.19
  4. Step 4: Simplify right side
    70,774.71x = 1,930,471,562.54
  5. Step 5: Solve for x
    x = 1,930,471,562.54/70,774.71
  6. Step 6: Final answer
    x = 27,276.29

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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.