Home / 74,759.43-112,117.14-28,001.37

Finding the Fourth Proportional to 74,759.43, 112,117.14 and 28,001.37

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Solution

The fourth proportional to 74,759.43, 112,117.14 and 28,001.37 is: 41,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,759.43 : 112,117.14 = 28,001.37 : x
  2. Step 2: Convert to fraction form
    74,759.43/112,117.14 = 28,001.37/x
  3. Step 3: Cross multiply
    74,759.43x = 112,117.14 × 28,001.37
  4. Step 4: Simplify right side
    74,759.43x = 3,139,433,520.48
  5. Step 5: Solve for x
    x = 3,139,433,520.48/74,759.43
  6. Step 6: Final answer
    x = 41,993.81

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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.