Home / 86,530.96-129,803.73-27,365.32

Finding the Fourth Proportional to 86,530.96, 129,803.73 and 27,365.32

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Solution

The fourth proportional to 86,530.96, 129,803.73 and 27,365.32 is: 41,050.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,530.96 : 129,803.73 = 27,365.32 : x
  2. Step 2: Convert to fraction form
    86,530.96/129,803.73 = 27,365.32/x
  3. Step 3: Cross multiply
    86,530.96x = 129,803.73 × 27,365.32
  4. Step 4: Simplify right side
    86,530.96x = 3,552,120,608.64
  5. Step 5: Solve for x
    x = 3,552,120,608.64/86,530.96
  6. Step 6: Final answer
    x = 41,050.29

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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.