Home / 106,365.47-159,491.75-31,475.30

Finding the Fourth Proportional to 106,365.47, 159,491.75 and 31,475.30

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Solution

The fourth proportional to 106,365.47, 159,491.75 and 31,475.30 is: 47,196.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,365.47 : 159,491.75 = 31,475.30 : x
  2. Step 2: Convert to fraction form
    106,365.47/159,491.75 = 31,475.30/x
  3. Step 3: Cross multiply
    106,365.47x = 159,491.75 × 31,475.30
  4. Step 4: Simplify right side
    106,365.47x = 5,020,049,723.94
  5. Step 5: Solve for x
    x = 5,020,049,723.94/106,365.47
  6. Step 6: Final answer
    x = 47,196.24

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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.