Home / 69,243.08-95,507.91-42,398.87

Finding the Fourth Proportional to 69,243.08, 95,507.91 and 42,398.87

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Solution

The fourth proportional to 69,243.08, 95,507.91 and 42,398.87 is: 58,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,243.08 : 95,507.91 = 42,398.87 : x
  2. Step 2: Convert to fraction form
    69,243.08/95,507.91 = 42,398.87/x
  3. Step 3: Cross multiply
    69,243.08x = 95,507.91 × 42,398.87
  4. Step 4: Simplify right side
    69,243.08x = 4,049,426,982.52
  5. Step 5: Solve for x
    x = 4,049,426,982.52/69,243.08
  6. Step 6: Final answer
    x = 58,481.33

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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.