Home / 120,726.65-181,093.79-57,553.67

Finding the Fourth Proportional to 120,726.65, 181,093.79 and 57,553.67

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Solution

The fourth proportional to 120,726.65, 181,093.79 and 57,553.67 is: 86,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,726.65 : 181,093.79 = 57,553.67 : x
  2. Step 2: Convert to fraction form
    120,726.65/181,093.79 = 57,553.67/x
  3. Step 3: Cross multiply
    120,726.65x = 181,093.79 × 57,553.67
  4. Step 4: Simplify right side
    120,726.65x = 10,422,612,825.33
  5. Step 5: Solve for x
    x = 10,422,612,825.33/120,726.65
  6. Step 6: Final answer
    x = 86,332.33

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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.