Home / 105,455.61-158,171.72-26,569.83

Finding the Fourth Proportional to 105,455.61, 158,171.72 and 26,569.83

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Solution

The fourth proportional to 105,455.61, 158,171.72 and 26,569.83 is: 39,851.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,455.61 : 158,171.72 = 26,569.83 : x
  2. Step 2: Convert to fraction form
    105,455.61/158,171.72 = 26,569.83/x
  3. Step 3: Cross multiply
    105,455.61x = 158,171.72 × 26,569.83
  4. Step 4: Simplify right side
    105,455.61x = 4,202,595,578.36
  5. Step 5: Solve for x
    x = 4,202,595,578.36/105,455.61
  6. Step 6: Final answer
    x = 39,851.80

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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.