Home / 70,932.86-97,764.04-51,781.12

Finding the Fourth Proportional to 70,932.86, 97,764.04 and 51,781.12

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Solution

The fourth proportional to 70,932.86, 97,764.04 and 51,781.12 is: 71,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,932.86 : 97,764.04 = 51,781.12 : x
  2. Step 2: Convert to fraction form
    70,932.86/97,764.04 = 51,781.12/x
  3. Step 3: Cross multiply
    70,932.86x = 97,764.04 × 51,781.12
  4. Step 4: Simplify right side
    70,932.86x = 5,062,331,113.06
  5. Step 5: Solve for x
    x = 5,062,331,113.06/70,932.86
  6. Step 6: Final answer
    x = 71,367.93

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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.