Home / 76,268.51-114,222.77-38,735.47

Finding the Fourth Proportional to 76,268.51, 114,222.77 and 38,735.47

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Solution

The fourth proportional to 76,268.51, 114,222.77 and 38,735.47 is: 58,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,268.51 : 114,222.77 = 38,735.47 : x
  2. Step 2: Convert to fraction form
    76,268.51/114,222.77 = 38,735.47/x
  3. Step 3: Cross multiply
    76,268.51x = 114,222.77 × 38,735.47
  4. Step 4: Simplify right side
    76,268.51x = 4,424,472,680.65
  5. Step 5: Solve for x
    x = 4,424,472,680.65/76,268.51
  6. Step 6: Final answer
    x = 58,011.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.