Home / 105,895.65-146,126.48-58,147.95

Finding the Fourth Proportional to 105,895.65, 146,126.48 and 58,147.95

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Solution

The fourth proportional to 105,895.65, 146,126.48 and 58,147.95 is: 80,238.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,895.65 : 146,126.48 = 58,147.95 : x
  2. Step 2: Convert to fraction form
    105,895.65/146,126.48 = 58,147.95/x
  3. Step 3: Cross multiply
    105,895.65x = 146,126.48 × 58,147.95
  4. Step 4: Simplify right side
    105,895.65x = 8,496,954,961.98
  5. Step 5: Solve for x
    x = 8,496,954,961.98/105,895.65
  6. Step 6: Final answer
    x = 80,238.94

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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.