Home / 72,091.28-98,763.41-69,395.88

Finding the Fourth Proportional to 72,091.28, 98,763.41 and 69,395.88

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Solution

The fourth proportional to 72,091.28, 98,763.41 and 69,395.88 is: 95,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,091.28 : 98,763.41 = 69,395.88 : x
  2. Step 2: Convert to fraction form
    72,091.28/98,763.41 = 69,395.88/x
  3. Step 3: Cross multiply
    72,091.28x = 98,763.41 × 69,395.88
  4. Step 4: Simplify right side
    72,091.28x = 6,853,773,403.00
  5. Step 5: Solve for x
    x = 6,853,773,403.00/72,091.28
  6. Step 6: Final answer
    x = 95,070.77

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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.