Home / 113,040.56-156,001.44-62,739.56

Finding the Fourth Proportional to 113,040.56, 156,001.44 and 62,739.56

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Solution

The fourth proportional to 113,040.56, 156,001.44 and 62,739.56 is: 86,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,040.56 : 156,001.44 = 62,739.56 : x
  2. Step 2: Convert to fraction form
    113,040.56/156,001.44 = 62,739.56/x
  3. Step 3: Cross multiply
    113,040.56x = 156,001.44 × 62,739.56
  4. Step 4: Simplify right side
    113,040.56x = 9,787,462,330.24
  5. Step 5: Solve for x
    x = 9,787,462,330.24/113,040.56
  6. Step 6: Final answer
    x = 86,583.63

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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.