Home / 106,559.76-159,798.06-39,963.60

Finding the Fourth Proportional to 106,559.76, 159,798.06 and 39,963.60

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Solution

The fourth proportional to 106,559.76, 159,798.06 and 39,963.60 is: 59,929.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,559.76 : 159,798.06 = 39,963.60 : x
  2. Step 2: Convert to fraction form
    106,559.76/159,798.06 = 39,963.60/x
  3. Step 3: Cross multiply
    106,559.76x = 159,798.06 × 39,963.60
  4. Step 4: Simplify right side
    106,559.76x = 6,386,105,750.62
  5. Step 5: Solve for x
    x = 6,386,105,750.62/106,559.76
  6. Step 6: Final answer
    x = 59,929.81

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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.