Home / 67,390.04-101,147.32-34,133.48

Finding the Fourth Proportional to 67,390.04, 101,147.32 and 34,133.48

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Solution

The fourth proportional to 67,390.04, 101,147.32 and 34,133.48 is: 51,231.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,390.04 : 101,147.32 = 34,133.48 : x
  2. Step 2: Convert to fraction form
    67,390.04/101,147.32 = 34,133.48/x
  3. Step 3: Cross multiply
    67,390.04x = 101,147.32 × 34,133.48
  4. Step 4: Simplify right side
    67,390.04x = 3,452,510,024.27
  5. Step 5: Solve for x
    x = 3,452,510,024.27/67,390.04
  6. Step 6: Final answer
    x = 51,231.76

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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.