Home / 105,876.51-146,109.87-58,132.95

Finding the Fourth Proportional to 105,876.51, 146,109.87 and 58,132.95

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Solution

The fourth proportional to 105,876.51, 146,109.87 and 58,132.95 is: 80,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,876.51 : 146,109.87 = 58,132.95 : x
  2. Step 2: Convert to fraction form
    105,876.51/146,109.87 = 58,132.95/x
  3. Step 3: Cross multiply
    105,876.51x = 146,109.87 × 58,132.95
  4. Step 4: Simplify right side
    105,876.51x = 8,493,797,767.22
  5. Step 5: Solve for x
    x = 8,493,797,767.22/105,876.51
  6. Step 6: Final answer
    x = 80,223.63

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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.