Home / 94,046.93-140,906.35-78,352.77

Finding the Fourth Proportional to 94,046.93, 140,906.35 and 78,352.77

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Solution

The fourth proportional to 94,046.93, 140,906.35 and 78,352.77 is: 117,392.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,046.93 : 140,906.35 = 78,352.77 : x
  2. Step 2: Convert to fraction form
    94,046.93/140,906.35 = 78,352.77/x
  3. Step 3: Cross multiply
    94,046.93x = 140,906.35 × 78,352.77
  4. Step 4: Simplify right side
    94,046.93x = 11,040,402,833.09
  5. Step 5: Solve for x
    x = 11,040,402,833.09/94,046.93
  6. Step 6: Final answer
    x = 117,392.49

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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.