Home / 54,164.67-74,717.22-31,501.20

Finding the Fourth Proportional to 54,164.67, 74,717.22 and 31,501.20

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Solution

The fourth proportional to 54,164.67, 74,717.22 and 31,501.20 is: 43,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,164.67 : 74,717.22 = 31,501.20 : x
  2. Step 2: Convert to fraction form
    54,164.67/74,717.22 = 31,501.20/x
  3. Step 3: Cross multiply
    54,164.67x = 74,717.22 × 31,501.20
  4. Step 4: Simplify right side
    54,164.67x = 2,353,682,090.66
  5. Step 5: Solve for x
    x = 2,353,682,090.66/54,164.67
  6. Step 6: Final answer
    x = 43,454.19

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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.