Home / 69,663.28-96,138.96-40,984.44

Finding the Fourth Proportional to 69,663.28, 96,138.96 and 40,984.44

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Solution

The fourth proportional to 69,663.28, 96,138.96 and 40,984.44 is: 56,560.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,663.28 : 96,138.96 = 40,984.44 : x
  2. Step 2: Convert to fraction form
    69,663.28/96,138.96 = 40,984.44/x
  3. Step 3: Cross multiply
    69,663.28x = 96,138.96 × 40,984.44
  4. Step 4: Simplify right side
    69,663.28x = 3,940,201,437.78
  5. Step 5: Solve for x
    x = 3,940,201,437.78/69,663.28
  6. Step 6: Final answer
    x = 56,560.66

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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.