Home / 75,412.10-113,150.55-38,476.10

Finding the Fourth Proportional to 75,412.10, 113,150.55 and 38,476.10

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Solution

The fourth proportional to 75,412.10, 113,150.55 and 38,476.10 is: 57,730.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.10 : 113,150.55 = 38,476.10 : x
  2. Step 2: Convert to fraction form
    75,412.10/113,150.55 = 38,476.10/x
  3. Step 3: Cross multiply
    75,412.10x = 113,150.55 × 38,476.10
  4. Step 4: Simplify right side
    75,412.10x = 4,353,591,876.86
  5. Step 5: Solve for x
    x = 4,353,591,876.86/75,412.10
  6. Step 6: Final answer
    x = 57,730.68

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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.