Home / 86,202.89-129,309.19-26,233.32

Finding the Fourth Proportional to 86,202.89, 129,309.19 and 26,233.32

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Solution

The fourth proportional to 86,202.89, 129,309.19 and 26,233.32 is: 39,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,202.89 : 129,309.19 = 26,233.32 : x
  2. Step 2: Convert to fraction form
    86,202.89/129,309.19 = 26,233.32/x
  3. Step 3: Cross multiply
    86,202.89x = 129,309.19 × 26,233.32
  4. Step 4: Simplify right side
    86,202.89x = 3,392,208,908.09
  5. Step 5: Solve for x
    x = 3,392,208,908.09/86,202.89
  6. Step 6: Final answer
    x = 39,351.45

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1.5x scale

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.