Home / 105,965.62-146,171.73-66,152.50

Finding the Fourth Proportional to 105,965.62, 146,171.73 and 66,152.50

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Solution

The fourth proportional to 105,965.62, 146,171.73 and 66,152.50 is: 91,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,965.62 : 146,171.73 = 66,152.50 : x
  2. Step 2: Convert to fraction form
    105,965.62/146,171.73 = 66,152.50/x
  3. Step 3: Cross multiply
    105,965.62x = 146,171.73 × 66,152.50
  4. Step 4: Simplify right side
    105,965.62x = 9,669,625,368.83
  5. Step 5: Solve for x
    x = 9,669,625,368.83/105,965.62
  6. Step 6: Final answer
    x = 91,252.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.