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Finding the Fourth Proportional to 92,243.56, 127,249.62 and 53,977.96

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Solution

The fourth proportional to 92,243.56, 127,249.62 and 53,977.96 is: 74,462.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,243.56 : 127,249.62 = 53,977.96 : x
  2. Step 2: Convert to fraction form
    92,243.56/127,249.62 = 53,977.96/x
  3. Step 3: Cross multiply
    92,243.56x = 127,249.62 × 53,977.96
  4. Step 4: Simplify right side
    92,243.56x = 6,868,674,898.38
  5. Step 5: Solve for x
    x = 6,868,674,898.38/92,243.56
  6. Step 6: Final answer
    x = 74,462.38

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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.