Home / 69,228.36-104,019.66-67,301.64

Finding the Fourth Proportional to 69,228.36, 104,019.66 and 67,301.64

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Solution

The fourth proportional to 69,228.36, 104,019.66 and 67,301.64 is: 101,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,228.36 : 104,019.66 = 67,301.64 : x
  2. Step 2: Convert to fraction form
    69,228.36/104,019.66 = 67,301.64/x
  3. Step 3: Cross multiply
    69,228.36x = 104,019.66 × 67,301.64
  4. Step 4: Simplify right side
    69,228.36x = 7,000,693,710.24
  5. Step 5: Solve for x
    x = 7,000,693,710.24/69,228.36
  6. Step 6: Final answer
    x = 101,124.65

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1.5x scale

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.