Home / 86,202.23-129,026.32-46,121.20

Finding the Fourth Proportional to 86,202.23, 129,026.32 and 46,121.20

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Solution

The fourth proportional to 86,202.23, 129,026.32 and 46,121.20 is: 69,033.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,202.23 : 129,026.32 = 46,121.20 : x
  2. Step 2: Convert to fraction form
    86,202.23/129,026.32 = 46,121.20/x
  3. Step 3: Cross multiply
    86,202.23x = 129,026.32 × 46,121.20
  4. Step 4: Simplify right side
    86,202.23x = 5,950,848,272.12
  5. Step 5: Solve for x
    x = 5,950,848,272.12/86,202.23
  6. Step 6: Final answer
    x = 69,033.58

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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.