Home / 67,129.10-92,638.13-36,916.46

Finding the Fourth Proportional to 67,129.10, 92,638.13 and 36,916.46

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Solution

The fourth proportional to 67,129.10, 92,638.13 and 36,916.46 is: 50,944.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.10 : 92,638.13 = 36,916.46 : x
  2. Step 2: Convert to fraction form
    67,129.10/92,638.13 = 36,916.46/x
  3. Step 3: Cross multiply
    67,129.10x = 92,638.13 × 36,916.46
  4. Step 4: Simplify right side
    67,129.10x = 3,419,871,727.89
  5. Step 5: Solve for x
    x = 3,419,871,727.89/67,129.10
  6. Step 6: Final answer
    x = 50,944.69

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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.