Home / 105,823.80-146,042.16-58,076.76

Finding the Fourth Proportional to 105,823.80, 146,042.16 and 58,076.76

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Solution

The fourth proportional to 105,823.80, 146,042.16 and 58,076.76 is: 80,148.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,823.80 : 146,042.16 = 58,076.76 : x
  2. Step 2: Convert to fraction form
    105,823.80/146,042.16 = 58,076.76/x
  3. Step 3: Cross multiply
    105,823.80x = 146,042.16 × 58,076.76
  4. Step 4: Simplify right side
    105,823.80x = 8,481,655,476.20
  5. Step 5: Solve for x
    x = 8,481,655,476.20/105,823.80
  6. Step 6: Final answer
    x = 80,148.85

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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.