Home / 106,360.89-159,569.01-39,806.25

Finding the Fourth Proportional to 106,360.89, 159,569.01 and 39,806.25

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Solution

The fourth proportional to 106,360.89, 159,569.01 and 39,806.25 is: 59,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,360.89 : 159,569.01 = 39,806.25 : x
  2. Step 2: Convert to fraction form
    106,360.89/159,569.01 = 39,806.25/x
  3. Step 3: Cross multiply
    106,360.89x = 159,569.01 × 39,806.25
  4. Step 4: Simplify right side
    106,360.89x = 6,351,843,904.31
  5. Step 5: Solve for x
    x = 6,351,843,904.31/106,360.89
  6. Step 6: Final answer
    x = 59,719.73

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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.