Home / 106,042.32-159,024.51-31,143.24

Finding the Fourth Proportional to 106,042.32, 159,024.51 and 31,143.24

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Solution

The fourth proportional to 106,042.32, 159,024.51 and 31,143.24 is: 46,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,042.32 : 159,024.51 = 31,143.24 : x
  2. Step 2: Convert to fraction form
    106,042.32/159,024.51 = 31,143.24/x
  3. Step 3: Cross multiply
    106,042.32x = 159,024.51 × 31,143.24
  4. Step 4: Simplify right side
    106,042.32x = 4,952,538,480.81
  5. Step 5: Solve for x
    x = 4,952,538,480.81/106,042.32
  6. Step 6: Final answer
    x = 46,703.42

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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.