Home / 74,161.49-111,112.63-61,761.29

Finding the Fourth Proportional to 74,161.49, 111,112.63 and 61,761.29

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Solution

The fourth proportional to 74,161.49, 111,112.63 and 61,761.29 is: 92,534.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,161.49 : 111,112.63 = 61,761.29 : x
  2. Step 2: Convert to fraction form
    74,161.49/111,112.63 = 61,761.29/x
  3. Step 3: Cross multiply
    74,161.49x = 111,112.63 × 61,761.29
  4. Step 4: Simplify right side
    74,161.49x = 6,862,458,654.13
  5. Step 5: Solve for x
    x = 6,862,458,654.13/74,161.49
  6. Step 6: Final answer
    x = 92,534.00

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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.