Home / 120,696.41-181,004.42-40,712.76

Finding the Fourth Proportional to 120,696.41, 181,004.42 and 40,712.76

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Solution

The fourth proportional to 120,696.41, 181,004.42 and 40,712.76 is: 61,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,696.41 : 181,004.42 = 40,712.76 : x
  2. Step 2: Convert to fraction form
    120,696.41/181,004.42 = 40,712.76/x
  3. Step 3: Cross multiply
    120,696.41x = 181,004.42 × 40,712.76
  4. Step 4: Simplify right side
    120,696.41x = 7,369,189,612.18
  5. Step 5: Solve for x
    x = 7,369,189,612.18/120,696.41
  6. Step 6: Final answer
    x = 61,055.58

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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.