Home / 78,899.44-118,350.24-22,740.52

Finding the Fourth Proportional to 78,899.44, 118,350.24 and 22,740.52

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Solution

The fourth proportional to 78,899.44, 118,350.24 and 22,740.52 is: 34,111.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,899.44 : 118,350.24 = 22,740.52 : x
  2. Step 2: Convert to fraction form
    78,899.44/118,350.24 = 22,740.52/x
  3. Step 3: Cross multiply
    78,899.44x = 118,350.24 × 22,740.52
  4. Step 4: Simplify right side
    78,899.44x = 2,691,345,999.72
  5. Step 5: Solve for x
    x = 2,691,345,999.72/78,899.44
  6. Step 6: Final answer
    x = 34,111.09

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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.