Home / 74,746.31-103,066.11-61,091.97

Finding the Fourth Proportional to 74,746.31, 103,066.11 and 61,091.97

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Solution

The fourth proportional to 74,746.31, 103,066.11 and 61,091.97 is: 84,238.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,746.31 : 103,066.11 = 61,091.97 : x
  2. Step 2: Convert to fraction form
    74,746.31/103,066.11 = 61,091.97/x
  3. Step 3: Cross multiply
    74,746.31x = 103,066.11 × 61,091.97
  4. Step 4: Simplify right side
    74,746.31x = 6,296,511,807.48
  5. Step 5: Solve for x
    x = 6,296,511,807.48/74,746.31
  6. Step 6: Final answer
    x = 84,238.43

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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.