Home / 86,092.72-118,802.19-47,849.79

Finding the Fourth Proportional to 86,092.72, 118,802.19 and 47,849.79

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Solution

The fourth proportional to 86,092.72, 118,802.19 and 47,849.79 is: 66,029.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,092.72 : 118,802.19 = 47,849.79 : x
  2. Step 2: Convert to fraction form
    86,092.72/118,802.19 = 47,849.79/x
  3. Step 3: Cross multiply
    86,092.72x = 118,802.19 × 47,849.79
  4. Step 4: Simplify right side
    86,092.72x = 5,684,659,799.72
  5. Step 5: Solve for x
    x = 5,684,659,799.72/86,092.72
  6. Step 6: Final answer
    x = 66,029.50

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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.