Home / 89,399.12-134,096.60-45,013.96

Finding the Fourth Proportional to 89,399.12, 134,096.60 and 45,013.96

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Solution

The fourth proportional to 89,399.12, 134,096.60 and 45,013.96 is: 67,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,399.12 : 134,096.60 = 45,013.96 : x
  2. Step 2: Convert to fraction form
    89,399.12/134,096.60 = 45,013.96/x
  3. Step 3: Cross multiply
    89,399.12x = 134,096.60 × 45,013.96
  4. Step 4: Simplify right side
    89,399.12x = 6,036,218,988.54
  5. Step 5: Solve for x
    x = 6,036,218,988.54/89,399.12
  6. Step 6: Final answer
    x = 67,519.89

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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.