Home / 75,870.33-113,820.14-29,119.56

Finding the Fourth Proportional to 75,870.33, 113,820.14 and 29,119.56

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Solution

The fourth proportional to 75,870.33, 113,820.14 and 29,119.56 is: 43,684.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,870.33 : 113,820.14 = 29,119.56 : x
  2. Step 2: Convert to fraction form
    75,870.33/113,820.14 = 29,119.56/x
  3. Step 3: Cross multiply
    75,870.33x = 113,820.14 × 29,119.56
  4. Step 4: Simplify right side
    75,870.33x = 3,314,392,468.74
  5. Step 5: Solve for x
    x = 3,314,392,468.74/75,870.33
  6. Step 6: Final answer
    x = 43,684.96

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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.