Home / 89,330.22-133,820.19-51,811.47

Finding the Fourth Proportional to 89,330.22, 133,820.19 and 51,811.47

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Solution

The fourth proportional to 89,330.22, 133,820.19 and 51,811.47 is: 77,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.22 : 133,820.19 = 51,811.47 : x
  2. Step 2: Convert to fraction form
    89,330.22/133,820.19 = 51,811.47/x
  3. Step 3: Cross multiply
    89,330.22x = 133,820.19 × 51,811.47
  4. Step 4: Simplify right side
    89,330.22x = 6,933,420,759.58
  5. Step 5: Solve for x
    x = 6,933,420,759.58/89,330.22
  6. Step 6: Final answer
    x = 77,615.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.