Home / 105,895.88-146,141.62-58,148.68

Finding the Fourth Proportional to 105,895.88, 146,141.62 and 58,148.68

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Solution

The fourth proportional to 105,895.88, 146,141.62 and 58,148.68 is: 80,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,895.88 : 146,141.62 = 58,148.68 : x
  2. Step 2: Convert to fraction form
    105,895.88/146,141.62 = 58,148.68/x
  3. Step 3: Cross multiply
    105,895.88x = 146,141.62 × 58,148.68
  4. Step 4: Simplify right side
    105,895.88x = 8,497,942,296.06
  5. Step 5: Solve for x
    x = 8,497,942,296.06/105,895.88
  6. Step 6: Final answer
    x = 80,248.09

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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.