Home / 67,891.10-101,823.44-34,148.12

Finding the Fourth Proportional to 67,891.10, 101,823.44 and 34,148.12

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Solution

The fourth proportional to 67,891.10, 101,823.44 and 34,148.12 is: 51,215.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,891.10 : 101,823.44 = 34,148.12 : x
  2. Step 2: Convert to fraction form
    67,891.10/101,823.44 = 34,148.12/x
  3. Step 3: Cross multiply
    67,891.10x = 101,823.44 × 34,148.12
  4. Step 4: Simplify right side
    67,891.10x = 3,477,079,047.93
  5. Step 5: Solve for x
    x = 3,477,079,047.93/67,891.10
  6. Step 6: Final answer
    x = 51,215.54

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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.