Home / 69,390.28-95,760.91-42,527.60

Finding the Fourth Proportional to 69,390.28, 95,760.91 and 42,527.60

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Solution

The fourth proportional to 69,390.28, 95,760.91 and 42,527.60 is: 58,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,390.28 : 95,760.91 = 42,527.60 : x
  2. Step 2: Convert to fraction form
    69,390.28/95,760.91 = 42,527.60/x
  3. Step 3: Cross multiply
    69,390.28x = 95,760.91 × 42,527.60
  4. Step 4: Simplify right side
    69,390.28x = 4,072,481,676.12
  5. Step 5: Solve for x
    x = 4,072,481,676.12/69,390.28
  6. Step 6: Final answer
    x = 58,689.51

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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.