Home / 121,167.18-181,750.86-57,972.39

Finding the Fourth Proportional to 121,167.18, 181,750.86 and 57,972.39

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Solution

The fourth proportional to 121,167.18, 181,750.86 and 57,972.39 is: 86,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,167.18 : 181,750.86 = 57,972.39 : x
  2. Step 2: Convert to fraction form
    121,167.18/181,750.86 = 57,972.39/x
  3. Step 3: Cross multiply
    121,167.18x = 181,750.86 × 57,972.39
  4. Step 4: Simplify right side
    121,167.18x = 10,536,531,738.76
  5. Step 5: Solve for x
    x = 10,536,531,738.76/121,167.18
  6. Step 6: Final answer
    x = 86,958.63

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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.