Home / 69,727.55-96,202.64-39,508.07

Finding the Fourth Proportional to 69,727.55, 96,202.64 and 39,508.07

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Solution

The fourth proportional to 69,727.55, 96,202.64 and 39,508.07 is: 54,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,727.55 : 96,202.64 = 39,508.07 : x
  2. Step 2: Convert to fraction form
    69,727.55/96,202.64 = 39,508.07/x
  3. Step 3: Cross multiply
    69,727.55x = 96,202.64 × 39,508.07
  4. Step 4: Simplify right side
    69,727.55x = 3,800,780,253.06
  5. Step 5: Solve for x
    x = 3,800,780,253.06/69,727.55
  6. Step 6: Final answer
    x = 54,509.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.