Home / 106,454.58-159,681.84-43,309.05

Finding the Fourth Proportional to 106,454.58, 159,681.84 and 43,309.05

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Solution

The fourth proportional to 106,454.58, 159,681.84 and 43,309.05 is: 64,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,454.58 : 159,681.84 = 43,309.05 : x
  2. Step 2: Convert to fraction form
    106,454.58/159,681.84 = 43,309.05/x
  3. Step 3: Cross multiply
    106,454.58x = 159,681.84 × 43,309.05
  4. Step 4: Simplify right side
    106,454.58x = 6,915,668,792.65
  5. Step 5: Solve for x
    x = 6,915,668,792.65/106,454.58
  6. Step 6: Final answer
    x = 64,963.56

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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.