Home / 106,463.04-159,732.81-45,647.88

Finding the Fourth Proportional to 106,463.04, 159,732.81 and 45,647.88

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Solution

The fourth proportional to 106,463.04, 159,732.81 and 45,647.88 is: 68,488.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,463.04 : 159,732.81 = 45,647.88 : x
  2. Step 2: Convert to fraction form
    106,463.04/159,732.81 = 45,647.88/x
  3. Step 3: Cross multiply
    106,463.04x = 159,732.81 × 45,647.88
  4. Step 4: Simplify right side
    106,463.04x = 7,291,464,142.94
  5. Step 5: Solve for x
    x = 7,291,464,142.94/106,463.04
  6. Step 6: Final answer
    x = 68,488.22

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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.