Home / 120,923.06-181,403.37-61,726.70

Finding the Fourth Proportional to 120,923.06, 181,403.37 and 61,726.70

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Solution

The fourth proportional to 120,923.06, 181,403.37 and 61,726.70 is: 92,599.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,923.06 : 181,403.37 = 61,726.70 : x
  2. Step 2: Convert to fraction form
    120,923.06/181,403.37 = 61,726.70/x
  3. Step 3: Cross multiply
    120,923.06x = 181,403.37 × 61,726.70
  4. Step 4: Simplify right side
    120,923.06x = 11,197,431,398.98
  5. Step 5: Solve for x
    x = 11,197,431,398.98/120,923.06
  6. Step 6: Final answer
    x = 92,599.64

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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.