Home / 105,440.76-158,162.96-38,846.61

Finding the Fourth Proportional to 105,440.76, 158,162.96 and 38,846.61

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Solution

The fourth proportional to 105,440.76, 158,162.96 and 38,846.61 is: 58,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,440.76 : 158,162.96 = 38,846.61 : x
  2. Step 2: Convert to fraction form
    105,440.76/158,162.96 = 38,846.61/x
  3. Step 3: Cross multiply
    105,440.76x = 158,162.96 × 38,846.61
  4. Step 4: Simplify right side
    105,440.76x = 6,144,094,629.33
  5. Step 5: Solve for x
    x = 6,144,094,629.33/105,440.76
  6. Step 6: Final answer
    x = 58,270.58

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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.