Home / 106,748.16-160,116.78-31,868.93

Finding the Fourth Proportional to 106,748.16, 160,116.78 and 31,868.93

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Solution

The fourth proportional to 106,748.16, 160,116.78 and 31,868.93 is: 47,801.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,748.16 : 160,116.78 = 31,868.93 : x
  2. Step 2: Convert to fraction form
    106,748.16/160,116.78 = 31,868.93/x
  3. Step 3: Cross multiply
    106,748.16x = 160,116.78 × 31,868.93
  4. Step 4: Simplify right side
    106,748.16x = 5,102,750,453.65
  5. Step 5: Solve for x
    x = 5,102,750,453.65/106,748.16
  6. Step 6: Final answer
    x = 47,801.76

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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.