Home / 69,648.13-96,155.44-42,434.48

Finding the Fourth Proportional to 69,648.13, 96,155.44 and 42,434.48

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Solution

The fourth proportional to 69,648.13, 96,155.44 and 42,434.48 is: 58,584.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,648.13 : 96,155.44 = 42,434.48 : x
  2. Step 2: Convert to fraction form
    69,648.13/96,155.44 = 42,434.48/x
  3. Step 3: Cross multiply
    69,648.13x = 96,155.44 × 42,434.48
  4. Step 4: Simplify right side
    69,648.13x = 4,080,306,229.87
  5. Step 5: Solve for x
    x = 4,080,306,229.87/69,648.13
  6. Step 6: Final answer
    x = 58,584.58

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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.