Home / 106,505.84-159,731.36-31,608.24

Finding the Fourth Proportional to 106,505.84, 159,731.36 and 31,608.24

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Solution

The fourth proportional to 106,505.84, 159,731.36 and 31,608.24 is: 47,404.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,505.84 : 159,731.36 = 31,608.24 : x
  2. Step 2: Convert to fraction form
    106,505.84/159,731.36 = 31,608.24/x
  3. Step 3: Cross multiply
    106,505.84x = 159,731.36 × 31,608.24
  4. Step 4: Simplify right side
    106,505.84x = 5,048,827,162.41
  5. Step 5: Solve for x
    x = 5,048,827,162.41/106,505.84
  6. Step 6: Final answer
    x = 47,404.23

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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.