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Finding the Fourth Proportional to 92,249.55, 127,287.47 and 51,954.69

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Solution

The fourth proportional to 92,249.55, 127,287.47 and 51,954.69 is: 71,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,249.55 : 127,287.47 = 51,954.69 : x
  2. Step 2: Convert to fraction form
    92,249.55/127,287.47 = 51,954.69/x
  3. Step 3: Cross multiply
    92,249.55x = 127,287.47 × 51,954.69
  4. Step 4: Simplify right side
    92,249.55x = 6,613,180,784.96
  5. Step 5: Solve for x
    x = 6,613,180,784.96/92,249.55
  6. Step 6: Final answer
    x = 71,687.95

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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.