Home / 106,407.26-159,612.54-31,534.94

Finding the Fourth Proportional to 106,407.26, 159,612.54 and 31,534.94

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Solution

The fourth proportional to 106,407.26, 159,612.54 and 31,534.94 is: 47,302.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,407.26 : 159,612.54 = 31,534.94 : x
  2. Step 2: Convert to fraction form
    106,407.26/159,612.54 = 31,534.94/x
  3. Step 3: Cross multiply
    106,407.26x = 159,612.54 × 31,534.94
  4. Step 4: Simplify right side
    106,407.26x = 5,033,371,872.15
  5. Step 5: Solve for x
    x = 5,033,371,872.15/106,407.26
  6. Step 6: Final answer
    x = 47,302.90

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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.