Home / 105,872.94-146,093.91-63,430.38

Finding the Fourth Proportional to 105,872.94, 146,093.91 and 63,430.38

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Solution

The fourth proportional to 105,872.94, 146,093.91 and 63,430.38 is: 87,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,872.94 : 146,093.91 = 63,430.38 : x
  2. Step 2: Convert to fraction form
    105,872.94/146,093.91 = 63,430.38/x
  3. Step 3: Cross multiply
    105,872.94x = 146,093.91 × 63,430.38
  4. Step 4: Simplify right side
    105,872.94x = 9,266,792,226.99
  5. Step 5: Solve for x
    x = 9,266,792,226.99/105,872.94
  6. Step 6: Final answer
    x = 87,527.49

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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.