Home / 106,055.82-159,044.76-31,156.74

Finding the Fourth Proportional to 106,055.82, 159,044.76 and 31,156.74

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Solution

The fourth proportional to 106,055.82, 159,044.76 and 31,156.74 is: 46,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,055.82 : 159,044.76 = 31,156.74 : x
  2. Step 2: Convert to fraction form
    106,055.82/159,044.76 = 31,156.74/x
  3. Step 3: Cross multiply
    106,055.82x = 159,044.76 × 31,156.74
  4. Step 4: Simplify right side
    106,055.82x = 4,955,316,235.68
  5. Step 5: Solve for x
    x = 4,955,316,235.68/106,055.82
  6. Step 6: Final answer
    x = 46,723.66

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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.