Home / 106,135.76-159,155.04-35,986.52

Finding the Fourth Proportional to 106,135.76, 159,155.04 and 35,986.52

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Solution

The fourth proportional to 106,135.76, 159,155.04 and 35,986.52 is: 53,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,135.76 : 159,155.04 = 35,986.52 : x
  2. Step 2: Convert to fraction form
    106,135.76/159,155.04 = 35,986.52/x
  3. Step 3: Cross multiply
    106,135.76x = 159,155.04 × 35,986.52
  4. Step 4: Simplify right side
    106,135.76x = 5,727,436,030.06
  5. Step 5: Solve for x
    x = 5,727,436,030.06/106,135.76
  6. Step 6: Final answer
    x = 53,963.30

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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.