Home / 86,244-129,366.59-32,921.60

Finding the Fourth Proportional to 86,244, 129,366.59 and 32,921.60

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Solution

The fourth proportional to 86,244, 129,366.59 and 32,921.60 is: 49,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,244 : 129,366.59 = 32,921.60 : x
  2. Step 2: Convert to fraction form
    86,244/129,366.59 = 32,921.60/x
  3. Step 3: Cross multiply
    86,244x = 129,366.59 × 32,921.60
  4. Step 4: Simplify right side
    86,244x = 4,258,955,129.34
  5. Step 5: Solve for x
    x = 4,258,955,129.34/86,244
  6. Step 6: Final answer
    x = 49,382.63

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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.