Home / 101,118.28-151,706.58-31,007.92

Finding the Fourth Proportional to 101,118.28, 151,706.58 and 31,007.92

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Solution

The fourth proportional to 101,118.28, 151,706.58 and 31,007.92 is: 46,520.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,118.28 : 151,706.58 = 31,007.92 : x
  2. Step 2: Convert to fraction form
    101,118.28/151,706.58 = 31,007.92/x
  3. Step 3: Cross multiply
    101,118.28x = 151,706.58 × 31,007.92
  4. Step 4: Simplify right side
    101,118.28x = 4,704,105,496.11
  5. Step 5: Solve for x
    x = 4,704,105,496.11/101,118.28
  6. Step 6: Final answer
    x = 46,520.82

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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.