Home / 105,836.31-158,721.66-35,699.22

Finding the Fourth Proportional to 105,836.31, 158,721.66 and 35,699.22

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Solution

The fourth proportional to 105,836.31, 158,721.66 and 35,699.22 is: 53,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,836.31 : 158,721.66 = 35,699.22 : x
  2. Step 2: Convert to fraction form
    105,836.31/158,721.66 = 35,699.22/x
  3. Step 3: Cross multiply
    105,836.31x = 158,721.66 × 35,699.22
  4. Step 4: Simplify right side
    105,836.31x = 5,666,239,459.11
  5. Step 5: Solve for x
    x = 5,666,239,459.11/105,836.31
  6. Step 6: Final answer
    x = 53,537.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.