Home / 105,822.41-146,036.70-58,080.20

Finding the Fourth Proportional to 105,822.41, 146,036.70 and 58,080.20

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Solution

The fourth proportional to 105,822.41, 146,036.70 and 58,080.20 is: 80,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,822.41 : 146,036.70 = 58,080.20 : x
  2. Step 2: Convert to fraction form
    105,822.41/146,036.70 = 58,080.20/x
  3. Step 3: Cross multiply
    105,822.41x = 146,036.70 × 58,080.20
  4. Step 4: Simplify right side
    105,822.41x = 8,481,840,013.16
  5. Step 5: Solve for x
    x = 8,481,840,013.16/105,822.41
  6. Step 6: Final answer
    x = 80,151.65

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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.