Home / 84,010.86-115,926.66-51,740.46

Finding the Fourth Proportional to 84,010.86, 115,926.66 and 51,740.46

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Solution

The fourth proportional to 84,010.86, 115,926.66 and 51,740.46 is: 71,396.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,010.86 : 115,926.66 = 51,740.46 : x
  2. Step 2: Convert to fraction form
    84,010.86/115,926.66 = 51,740.46/x
  3. Step 3: Cross multiply
    84,010.86x = 115,926.66 × 51,740.46
  4. Step 4: Simplify right side
    84,010.86x = 5,998,098,714.66
  5. Step 5: Solve for x
    x = 5,998,098,714.66/84,010.86
  6. Step 6: Final answer
    x = 71,396.71

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1.5x scale

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.