Home / 69,972.52-96,559.20-38,140.72

Finding the Fourth Proportional to 69,972.52, 96,559.20 and 38,140.72

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Solution

The fourth proportional to 69,972.52, 96,559.20 and 38,140.72 is: 52,632.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.52 : 96,559.20 = 38,140.72 : x
  2. Step 2: Convert to fraction form
    69,972.52/96,559.20 = 38,140.72/x
  3. Step 3: Cross multiply
    69,972.52x = 96,559.20 × 38,140.72
  4. Step 4: Simplify right side
    69,972.52x = 3,682,837,410.62
  5. Step 5: Solve for x
    x = 3,682,837,410.62/69,972.52
  6. Step 6: Final answer
    x = 52,632.63

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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.