Home / 106,326.24-159,489.28-31,447.36

Finding the Fourth Proportional to 106,326.24, 159,489.28 and 31,447.36

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Solution

The fourth proportional to 106,326.24, 159,489.28 and 31,447.36 is: 47,171.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,326.24 : 159,489.28 = 31,447.36 : x
  2. Step 2: Convert to fraction form
    106,326.24/159,489.28 = 31,447.36/x
  3. Step 3: Cross multiply
    106,326.24x = 159,489.28 × 31,447.36
  4. Step 4: Simplify right side
    106,326.24x = 5,015,516,804.30
  5. Step 5: Solve for x
    x = 5,015,516,804.30/106,326.24
  6. Step 6: Final answer
    x = 47,171.02

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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.