Home / 74,159.86-111,110.19-61,759.66

Finding the Fourth Proportional to 74,159.86, 111,110.19 and 61,759.66

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Solution

The fourth proportional to 74,159.86, 111,110.19 and 61,759.66 is: 92,531.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,159.86 : 111,110.19 = 61,759.66 : x
  2. Step 2: Convert to fraction form
    74,159.86/111,110.19 = 61,759.66/x
  3. Step 3: Cross multiply
    74,159.86x = 111,110.19 × 61,759.66
  4. Step 4: Simplify right side
    74,159.86x = 6,862,127,556.94
  5. Step 5: Solve for x
    x = 6,862,127,556.94/74,159.86
  6. Step 6: Final answer
    x = 92,531.56

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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.