Home / 121,610.56-182,403-57,553.36

Finding the Fourth Proportional to 121,610.56, 182,403 and 57,553.36

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Solution

The fourth proportional to 121,610.56, 182,403 and 57,553.36 is: 86,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,610.56 : 182,403 = 57,553.36 : x
  2. Step 2: Convert to fraction form
    121,610.56/182,403 = 57,553.36/x
  3. Step 3: Cross multiply
    121,610.56x = 182,403 × 57,553.36
  4. Step 4: Simplify right side
    121,610.56x = 10,497,905,524.08
  5. Step 5: Solve for x
    x = 10,497,905,524.08/121,610.56
  6. Step 6: Final answer
    x = 86,323.96

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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.