Home / 85,316.24-117,727.08-60,122

Finding the Fourth Proportional to 85,316.24, 117,727.08 and 60,122

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Solution

The fourth proportional to 85,316.24, 117,727.08 and 60,122 is: 82,961.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,316.24 : 117,727.08 = 60,122 : x
  2. Step 2: Convert to fraction form
    85,316.24/117,727.08 = 60,122/x
  3. Step 3: Cross multiply
    85,316.24x = 117,727.08 × 60,122
  4. Step 4: Simplify right side
    85,316.24x = 7,077,987,503.76
  5. Step 5: Solve for x
    x = 7,077,987,503.76/85,316.24
  6. Step 6: Final answer
    x = 82,961.78

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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.