Home / 67,130.55-92,640.78-36,916.07

Finding the Fourth Proportional to 67,130.55, 92,640.78 and 36,916.07

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Solution

The fourth proportional to 67,130.55, 92,640.78 and 36,916.07 is: 50,944.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,130.55 : 92,640.78 = 36,916.07 : x
  2. Step 2: Convert to fraction form
    67,130.55/92,640.78 = 36,916.07/x
  3. Step 3: Cross multiply
    67,130.55x = 92,640.78 × 36,916.07
  4. Step 4: Simplify right side
    67,130.55x = 3,419,933,056.13
  5. Step 5: Solve for x
    x = 3,419,933,056.13/67,130.55
  6. Step 6: Final answer
    x = 50,944.51

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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.