Home / 57,272.81-79,037.39-32,121.77

Finding the Fourth Proportional to 57,272.81, 79,037.39 and 32,121.77

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Solution

The fourth proportional to 57,272.81, 79,037.39 and 32,121.77 is: 44,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,272.81 : 79,037.39 = 32,121.77 : x
  2. Step 2: Convert to fraction form
    57,272.81/79,037.39 = 32,121.77/x
  3. Step 3: Cross multiply
    57,272.81x = 79,037.39 × 32,121.77
  4. Step 4: Simplify right side
    57,272.81x = 2,538,820,548.10
  5. Step 5: Solve for x
    x = 2,538,820,548.10/57,272.81
  6. Step 6: Final answer
    x = 44,328.55

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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.