Home / 72,091.22-98,763.33-69,395.82

Finding the Fourth Proportional to 72,091.22, 98,763.33 and 69,395.82

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Solution

The fourth proportional to 72,091.22, 98,763.33 and 69,395.82 is: 95,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,091.22 : 98,763.33 = 69,395.82 : x
  2. Step 2: Convert to fraction form
    72,091.22/98,763.33 = 69,395.82/x
  3. Step 3: Cross multiply
    72,091.22x = 98,763.33 × 69,395.82
  4. Step 4: Simplify right side
    72,091.22x = 6,853,762,716.70
  5. Step 5: Solve for x
    x = 6,853,762,716.70/72,091.22
  6. Step 6: Final answer
    x = 95,070.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.