Home / 106,698.06-160,043.65-31,818.83

Finding the Fourth Proportional to 106,698.06, 160,043.65 and 31,818.83

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Solution

The fourth proportional to 106,698.06, 160,043.65 and 31,818.83 is: 47,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,698.06 : 160,043.65 = 31,818.83 : x
  2. Step 2: Convert to fraction form
    106,698.06/160,043.65 = 31,818.83/x
  3. Step 3: Cross multiply
    106,698.06x = 160,043.65 × 31,818.83
  4. Step 4: Simplify right side
    106,698.06x = 5,092,400,812.16
  5. Step 5: Solve for x
    x = 5,092,400,812.16/106,698.06
  6. Step 6: Final answer
    x = 47,727.21

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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.