Home / 54,186.19-74,610.79-47,434.03

Finding the Fourth Proportional to 54,186.19, 74,610.79 and 47,434.03

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Solution

The fourth proportional to 54,186.19, 74,610.79 and 47,434.03 is: 65,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.19 : 74,610.79 = 47,434.03 : x
  2. Step 2: Convert to fraction form
    54,186.19/74,610.79 = 47,434.03/x
  3. Step 3: Cross multiply
    54,186.19x = 74,610.79 × 47,434.03
  4. Step 4: Simplify right side
    54,186.19x = 3,539,090,451.18
  5. Step 5: Solve for x
    x = 3,539,090,451.18/54,186.19
  6. Step 6: Final answer
    x = 65,313.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.