Home / 121,003.13-181,541.64-61,880.33

Finding the Fourth Proportional to 121,003.13, 181,541.64 and 61,880.33

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Solution

The fourth proportional to 121,003.13, 181,541.64 and 61,880.33 is: 92,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,003.13 : 181,541.64 = 61,880.33 : x
  2. Step 2: Convert to fraction form
    121,003.13/181,541.64 = 61,880.33/x
  3. Step 3: Cross multiply
    121,003.13x = 181,541.64 × 61,880.33
  4. Step 4: Simplify right side
    121,003.13x = 11,233,856,591.94
  5. Step 5: Solve for x
    x = 11,233,856,591.94/121,003.13
  6. Step 6: Final answer
    x = 92,839.39

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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.