Home / 89,065.76-133,607.42-25,886.43

Finding the Fourth Proportional to 89,065.76, 133,607.42 and 25,886.43

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Solution

The fourth proportional to 89,065.76, 133,607.42 and 25,886.43 is: 38,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,065.76 : 133,607.42 = 25,886.43 : x
  2. Step 2: Convert to fraction form
    89,065.76/133,607.42 = 25,886.43/x
  3. Step 3: Cross multiply
    89,065.76x = 133,607.42 × 25,886.43
  4. Step 4: Simplify right side
    89,065.76x = 3,458,618,995.88
  5. Step 5: Solve for x
    x = 3,458,618,995.88/89,065.76
  6. Step 6: Final answer
    x = 38,832.20

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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.