Home / 67,858.44-93,625.38-39,558.66

Finding the Fourth Proportional to 67,858.44, 93,625.38 and 39,558.66

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Solution

The fourth proportional to 67,858.44, 93,625.38 and 39,558.66 is: 54,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,858.44 : 93,625.38 = 39,558.66 : x
  2. Step 2: Convert to fraction form
    67,858.44/93,625.38 = 39,558.66/x
  3. Step 3: Cross multiply
    67,858.44x = 93,625.38 × 39,558.66
  4. Step 4: Simplify right side
    67,858.44x = 3,703,694,574.79
  5. Step 5: Solve for x
    x = 3,703,694,574.79/67,858.44
  6. Step 6: Final answer
    x = 54,579.72

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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.