Home / 121,087.41-181,660.27-37,981.41

Finding the Fourth Proportional to 121,087.41, 181,660.27 and 37,981.41

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Solution

The fourth proportional to 121,087.41, 181,660.27 and 37,981.41 is: 56,981.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,087.41 : 181,660.27 = 37,981.41 : x
  2. Step 2: Convert to fraction form
    121,087.41/181,660.27 = 37,981.41/x
  3. Step 3: Cross multiply
    121,087.41x = 181,660.27 × 37,981.41
  4. Step 4: Simplify right side
    121,087.41x = 6,899,712,490.62
  5. Step 5: Solve for x
    x = 6,899,712,490.62/121,087.41
  6. Step 6: Final answer
    x = 56,981.26

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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.