Home / 67,128.82-92,637.78-36,916.19

Finding the Fourth Proportional to 67,128.82, 92,637.78 and 36,916.19

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Solution

The fourth proportional to 67,128.82, 92,637.78 and 36,916.19 is: 50,944.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,128.82 : 92,637.78 = 36,916.19 : x
  2. Step 2: Convert to fraction form
    67,128.82/92,637.78 = 36,916.19/x
  3. Step 3: Cross multiply
    67,128.82x = 92,637.78 × 36,916.19
  4. Step 4: Simplify right side
    67,128.82x = 3,419,833,633.43
  5. Step 5: Solve for x
    x = 3,419,833,633.43/67,128.82
  6. Step 6: Final answer
    x = 50,944.34

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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.