Home / 75,638.22-113,517.81-34,088.46

Finding the Fourth Proportional to 75,638.22, 113,517.81 and 34,088.46

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Solution

The fourth proportional to 75,638.22, 113,517.81 and 34,088.46 is: 51,159.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.22 : 113,517.81 = 34,088.46 : x
  2. Step 2: Convert to fraction form
    75,638.22/113,517.81 = 34,088.46/x
  3. Step 3: Cross multiply
    75,638.22x = 113,517.81 × 34,088.46
  4. Step 4: Simplify right side
    75,638.22x = 3,869,647,325.47
  5. Step 5: Solve for x
    x = 3,869,647,325.47/75,638.22
  6. Step 6: Final answer
    x = 51,159.95

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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.