Home / 75,603.11-113,416.83-25,677.95

Finding the Fourth Proportional to 75,603.11, 113,416.83 and 25,677.95

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Solution

The fourth proportional to 75,603.11, 113,416.83 and 25,677.95 is: 38,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,603.11 : 113,416.83 = 25,677.95 : x
  2. Step 2: Convert to fraction form
    75,603.11/113,416.83 = 25,677.95/x
  3. Step 3: Cross multiply
    75,603.11x = 113,416.83 × 25,677.95
  4. Step 4: Simplify right side
    75,603.11x = 2,912,311,122.81
  5. Step 5: Solve for x
    x = 2,912,311,122.81/75,603.11
  6. Step 6: Final answer
    x = 38,521.05

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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.