Home / 78,707.98-118,070.18-33,733.85

Finding the Fourth Proportional to 78,707.98, 118,070.18 and 33,733.85

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Solution

The fourth proportional to 78,707.98, 118,070.18 and 33,733.85 is: 50,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,707.98 : 118,070.18 = 33,733.85 : x
  2. Step 2: Convert to fraction form
    78,707.98/118,070.18 = 33,733.85/x
  3. Step 3: Cross multiply
    78,707.98x = 118,070.18 × 33,733.85
  4. Step 4: Simplify right side
    78,707.98x = 3,982,961,572.92
  5. Step 5: Solve for x
    x = 3,982,961,572.92/78,707.98
  6. Step 6: Final answer
    x = 50,604.29

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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.