Home / 70,820.12-106,230.19-23,422.49

Finding the Fourth Proportional to 70,820.12, 106,230.19 and 23,422.49

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Solution

The fourth proportional to 70,820.12, 106,230.19 and 23,422.49 is: 35,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,820.12 : 106,230.19 = 23,422.49 : x
  2. Step 2: Convert to fraction form
    70,820.12/106,230.19 = 23,422.49/x
  3. Step 3: Cross multiply
    70,820.12x = 106,230.19 × 23,422.49
  4. Step 4: Simplify right side
    70,820.12x = 2,488,175,562.97
  5. Step 5: Solve for x
    x = 2,488,175,562.97/70,820.12
  6. Step 6: Final answer
    x = 35,133.74

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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.