Home / 71,997.03-99,356.40-43,317.36

Finding the Fourth Proportional to 71,997.03, 99,356.40 and 43,317.36

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Solution

The fourth proportional to 71,997.03, 99,356.40 and 43,317.36 is: 59,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,997.03 : 99,356.40 = 43,317.36 : x
  2. Step 2: Convert to fraction form
    71,997.03/99,356.40 = 43,317.36/x
  3. Step 3: Cross multiply
    71,997.03x = 99,356.40 × 43,317.36
  4. Step 4: Simplify right side
    71,997.03x = 4,303,856,947.10
  5. Step 5: Solve for x
    x = 4,303,856,947.10/71,997.03
  6. Step 6: Final answer
    x = 59,778.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.