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Finding the Fourth Proportional to 75,876.30, 113,883.30 and 38,462.40

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Solution

The fourth proportional to 75,876.30, 113,883.30 and 38,462.40 is: 57,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,876.30 : 113,883.30 = 38,462.40 : x
  2. Step 2: Convert to fraction form
    75,876.30/113,883.30 = 38,462.40/x
  3. Step 3: Cross multiply
    75,876.30x = 113,883.30 × 38,462.40
  4. Step 4: Simplify right side
    75,876.30x = 4,380,225,037.92
  5. Step 5: Solve for x
    x = 4,380,225,037.92/75,876.30
  6. Step 6: Final answer
    x = 57,728.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.