Home / 106,717.52-160,100.04-31,838.96

Finding the Fourth Proportional to 106,717.52, 160,100.04 and 31,838.96

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Solution

The fourth proportional to 106,717.52, 160,100.04 and 31,838.96 is: 47,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,717.52 : 160,100.04 = 31,838.96 : x
  2. Step 2: Convert to fraction form
    106,717.52/160,100.04 = 31,838.96/x
  3. Step 3: Cross multiply
    106,717.52x = 160,100.04 × 31,838.96
  4. Step 4: Simplify right side
    106,717.52x = 5,097,417,969.06
  5. Step 5: Solve for x
    x = 5,097,417,969.06/106,717.52
  6. Step 6: Final answer
    x = 47,765.52

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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.