Home / 106,243.16-159,382.04-31,370.87

Finding the Fourth Proportional to 106,243.16, 159,382.04 and 31,370.87

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Solution

The fourth proportional to 106,243.16, 159,382.04 and 31,370.87 is: 47,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,243.16 : 159,382.04 = 31,370.87 : x
  2. Step 2: Convert to fraction form
    106,243.16/159,382.04 = 31,370.87/x
  3. Step 3: Cross multiply
    106,243.16x = 159,382.04 × 31,370.87
  4. Step 4: Simplify right side
    106,243.16x = 4,999,952,778.71
  5. Step 5: Solve for x
    x = 4,999,952,778.71/106,243.16
  6. Step 6: Final answer
    x = 47,061.41

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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.