Home / 109,839.06-151,552.44-64,514.70

Finding the Fourth Proportional to 109,839.06, 151,552.44 and 64,514.70

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Solution

The fourth proportional to 109,839.06, 151,552.44 and 64,514.70 is: 89,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,839.06 : 151,552.44 = 64,514.70 : x
  2. Step 2: Convert to fraction form
    109,839.06/151,552.44 = 64,514.70/x
  3. Step 3: Cross multiply
    109,839.06x = 151,552.44 × 64,514.70
  4. Step 4: Simplify right side
    109,839.06x = 9,777,360,200.87
  5. Step 5: Solve for x
    x = 9,777,360,200.87/109,839.06
  6. Step 6: Final answer
    x = 89,015.33

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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.