Home / 121,088.41-181,661.77-37,982.41

Finding the Fourth Proportional to 121,088.41, 181,661.77 and 37,982.41

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Solution

The fourth proportional to 121,088.41, 181,661.77 and 37,982.41 is: 56,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,088.41 : 181,661.77 = 37,982.41 : x
  2. Step 2: Convert to fraction form
    121,088.41/181,661.77 = 37,982.41/x
  3. Step 3: Cross multiply
    121,088.41x = 181,661.77 × 37,982.41
  4. Step 4: Simplify right side
    121,088.41x = 6,899,951,829.47
  5. Step 5: Solve for x
    x = 6,899,951,829.47/121,088.41
  6. Step 6: Final answer
    x = 56,982.76

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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.