Home / 109,843.06-151,557.96-64,518.70

Finding the Fourth Proportional to 109,843.06, 151,557.96 and 64,518.70

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Solution

The fourth proportional to 109,843.06, 151,557.96 and 64,518.70 is: 89,020.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,843.06 : 151,557.96 = 64,518.70 : x
  2. Step 2: Convert to fraction form
    109,843.06/151,557.96 = 64,518.70/x
  3. Step 3: Cross multiply
    109,843.06x = 151,557.96 × 64,518.70
  4. Step 4: Simplify right side
    109,843.06x = 9,778,322,553.85
  5. Step 5: Solve for x
    x = 9,778,322,553.85/109,843.06
  6. Step 6: Final answer
    x = 89,020.85

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1.5x scale

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.