Home / 109,981.26-151,764.03-62,226.90

Finding the Fourth Proportional to 109,981.26, 151,764.03 and 62,226.90

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Solution

The fourth proportional to 109,981.26, 151,764.03 and 62,226.90 is: 85,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,981.26 : 151,764.03 = 62,226.90 : x
  2. Step 2: Convert to fraction form
    109,981.26/151,764.03 = 62,226.90/x
  3. Step 3: Cross multiply
    109,981.26x = 151,764.03 × 62,226.90
  4. Step 4: Simplify right side
    109,981.26x = 9,443,805,118.41
  5. Step 5: Solve for x
    x = 9,443,805,118.41/109,981.26
  6. Step 6: Final answer
    x = 85,867.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.