Home / 105,462.46-158,161.10-30,588.11

Finding the Fourth Proportional to 105,462.46, 158,161.10 and 30,588.11

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Solution

The fourth proportional to 105,462.46, 158,161.10 and 30,588.11 is: 45,872.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,462.46 : 158,161.10 = 30,588.11 : x
  2. Step 2: Convert to fraction form
    105,462.46/158,161.10 = 30,588.11/x
  3. Step 3: Cross multiply
    105,462.46x = 158,161.10 × 30,588.11
  4. Step 4: Simplify right side
    105,462.46x = 4,837,849,124.52
  5. Step 5: Solve for x
    x = 4,837,849,124.52/105,462.46
  6. Step 6: Final answer
    x = 45,872.71

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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.