Home / 105,352.31-158,028.62-43,022.81

Finding the Fourth Proportional to 105,352.31, 158,028.62 and 43,022.81

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Solution

The fourth proportional to 105,352.31, 158,028.62 and 43,022.81 is: 64,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,352.31 : 158,028.62 = 43,022.81 : x
  2. Step 2: Convert to fraction form
    105,352.31/158,028.62 = 43,022.81/x
  3. Step 3: Cross multiply
    105,352.31x = 158,028.62 × 43,022.81
  4. Step 4: Simplify right side
    105,352.31x = 6,798,835,714.78
  5. Step 5: Solve for x
    x = 6,798,835,714.78/105,352.31
  6. Step 6: Final answer
    x = 64,534.28

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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.