Home / 106,607.28-159,883.04-31,707.24

Finding the Fourth Proportional to 106,607.28, 159,883.04 and 31,707.24

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Solution

The fourth proportional to 106,607.28, 159,883.04 and 31,707.24 is: 47,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,607.28 : 159,883.04 = 31,707.24 : x
  2. Step 2: Convert to fraction form
    106,607.28/159,883.04 = 31,707.24/x
  3. Step 3: Cross multiply
    106,607.28x = 159,883.04 × 31,707.24
  4. Step 4: Simplify right side
    106,607.28x = 5,069,449,921.21
  5. Step 5: Solve for x
    x = 5,069,449,921.21/106,607.28
  6. Step 6: Final answer
    x = 47,552.57

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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.