Home / 57,364.94-79,186.20-36,140.24

Finding the Fourth Proportional to 57,364.94, 79,186.20 and 36,140.24

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Solution

The fourth proportional to 57,364.94, 79,186.20 and 36,140.24 is: 49,887.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,364.94 : 79,186.20 = 36,140.24 : x
  2. Step 2: Convert to fraction form
    57,364.94/79,186.20 = 36,140.24/x
  3. Step 3: Cross multiply
    57,364.94x = 79,186.20 × 36,140.24
  4. Step 4: Simplify right side
    57,364.94x = 2,861,808,272.69
  5. Step 5: Solve for x
    x = 2,861,808,272.69/57,364.94
  6. Step 6: Final answer
    x = 49,887.76

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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.