Home / 86,167.26-118,921.50-48,441.51

Finding the Fourth Proportional to 86,167.26, 118,921.50 and 48,441.51

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Solution

The fourth proportional to 86,167.26, 118,921.50 and 48,441.51 is: 66,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,167.26 : 118,921.50 = 48,441.51 : x
  2. Step 2: Convert to fraction form
    86,167.26/118,921.50 = 48,441.51/x
  3. Step 3: Cross multiply
    86,167.26x = 118,921.50 × 48,441.51
  4. Step 4: Simplify right side
    86,167.26x = 5,760,737,031.47
  5. Step 5: Solve for x
    x = 5,760,737,031.47/86,167.26
  6. Step 6: Final answer
    x = 66,855.29

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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.