Home / 99,458.28-149,172.84-32,886

Finding the Fourth Proportional to 99,458.28, 149,172.84 and 32,886

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Solution

The fourth proportional to 99,458.28, 149,172.84 and 32,886 is: 49,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,458.28 : 149,172.84 = 32,886 : x
  2. Step 2: Convert to fraction form
    99,458.28/149,172.84 = 32,886/x
  3. Step 3: Cross multiply
    99,458.28x = 149,172.84 × 32,886
  4. Step 4: Simplify right side
    99,458.28x = 4,905,698,016.24
  5. Step 5: Solve for x
    x = 4,905,698,016.24/99,458.28
  6. Step 6: Final answer
    x = 49,324.18

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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.