Home / 75,670.20-113,521.68-23,078.28

Finding the Fourth Proportional to 75,670.20, 113,521.68 and 23,078.28

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Solution

The fourth proportional to 75,670.20, 113,521.68 and 23,078.28 is: 34,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,670.20 : 113,521.68 = 23,078.28 : x
  2. Step 2: Convert to fraction form
    75,670.20/113,521.68 = 23,078.28/x
  3. Step 3: Cross multiply
    75,670.20x = 113,521.68 × 23,078.28
  4. Step 4: Simplify right side
    75,670.20x = 2,619,885,117.11
  5. Step 5: Solve for x
    x = 2,619,885,117.11/75,670.20
  6. Step 6: Final answer
    x = 34,622.42

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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.