Home / 105,324.42-158,049-38,811.18

Finding the Fourth Proportional to 105,324.42, 158,049 and 38,811.18

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Solution

The fourth proportional to 105,324.42, 158,049 and 38,811.18 is: 58,239.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,324.42 : 158,049 = 38,811.18 : x
  2. Step 2: Convert to fraction form
    105,324.42/158,049 = 38,811.18/x
  3. Step 3: Cross multiply
    105,324.42x = 158,049 × 38,811.18
  4. Step 4: Simplify right side
    105,324.42x = 6,134,068,187.82
  5. Step 5: Solve for x
    x = 6,134,068,187.82/105,324.42
  6. Step 6: Final answer
    x = 58,239.75

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1.5x scale

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.