Home / 79,654.36-119,555.34-40,239.16

Finding the Fourth Proportional to 79,654.36, 119,555.34 and 40,239.16

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Solution

The fourth proportional to 79,654.36, 119,555.34 and 40,239.16 is: 60,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,654.36 : 119,555.34 = 40,239.16 : x
  2. Step 2: Convert to fraction form
    79,654.36/119,555.34 = 40,239.16/x
  3. Step 3: Cross multiply
    79,654.36x = 119,555.34 × 40,239.16
  4. Step 4: Simplify right side
    79,654.36x = 4,810,806,455.11
  5. Step 5: Solve for x
    x = 4,810,806,455.11/79,654.36
  6. Step 6: Final answer
    x = 60,396.02

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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.