Home / 89,287.05-133,930.44-36,659.46

Finding the Fourth Proportional to 89,287.05, 133,930.44 and 36,659.46

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Solution

The fourth proportional to 89,287.05, 133,930.44 and 36,659.46 is: 54,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,287.05 : 133,930.44 = 36,659.46 : x
  2. Step 2: Convert to fraction form
    89,287.05/133,930.44 = 36,659.46/x
  3. Step 3: Cross multiply
    89,287.05x = 133,930.44 × 36,659.46
  4. Step 4: Simplify right side
    89,287.05x = 4,909,817,607.96
  5. Step 5: Solve for x
    x = 4,909,817,607.96/89,287.05
  6. Step 6: Final answer
    x = 54,989.13

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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.