Home / 75,897.82-113,852.19-29,150.70

Finding the Fourth Proportional to 75,897.82, 113,852.19 and 29,150.70

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Solution

The fourth proportional to 75,897.82, 113,852.19 and 29,150.70 is: 43,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,897.82 : 113,852.19 = 29,150.70 : x
  2. Step 2: Convert to fraction form
    75,897.82/113,852.19 = 29,150.70/x
  3. Step 3: Cross multiply
    75,897.82x = 113,852.19 × 29,150.70
  4. Step 4: Simplify right side
    75,897.82x = 3,318,871,035.03
  5. Step 5: Solve for x
    x = 3,318,871,035.03/75,897.82
  6. Step 6: Final answer
    x = 43,728.15

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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.