Home / 101,126.62-151,684.26-31,005.73

Finding the Fourth Proportional to 101,126.62, 151,684.26 and 31,005.73

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Solution

The fourth proportional to 101,126.62, 151,684.26 and 31,005.73 is: 46,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,126.62 : 151,684.26 = 31,005.73 : x
  2. Step 2: Convert to fraction form
    101,126.62/151,684.26 = 31,005.73/x
  3. Step 3: Cross multiply
    101,126.62x = 151,684.26 × 31,005.73
  4. Step 4: Simplify right side
    101,126.62x = 4,703,081,210.81
  5. Step 5: Solve for x
    x = 4,703,081,210.81/101,126.62
  6. Step 6: Final answer
    x = 46,506.86

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1.5x scale

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.