Home / 81,064.92-111,867.72-45,258.27

Finding the Fourth Proportional to 81,064.92, 111,867.72 and 45,258.27

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Solution

The fourth proportional to 81,064.92, 111,867.72 and 45,258.27 is: 62,455.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,064.92 : 111,867.72 = 45,258.27 : x
  2. Step 2: Convert to fraction form
    81,064.92/111,867.72 = 45,258.27/x
  3. Step 3: Cross multiply
    81,064.92x = 111,867.72 × 45,258.27
  4. Step 4: Simplify right side
    81,064.92x = 5,062,939,476.04
  5. Step 5: Solve for x
    x = 5,062,939,476.04/81,064.92
  6. Step 6: Final answer
    x = 62,455.37

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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.