Home / 57,538.64-79,216.44-45,537.68

Finding the Fourth Proportional to 57,538.64, 79,216.44 and 45,537.68

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Solution

The fourth proportional to 57,538.64, 79,216.44 and 45,537.68 is: 62,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,538.64 : 79,216.44 = 45,537.68 : x
  2. Step 2: Convert to fraction form
    57,538.64/79,216.44 = 45,537.68/x
  3. Step 3: Cross multiply
    57,538.64x = 79,216.44 × 45,537.68
  4. Step 4: Simplify right side
    57,538.64x = 3,607,332,895.46
  5. Step 5: Solve for x
    x = 3,607,332,895.46/57,538.64
  6. Step 6: Final answer
    x = 62,694.09

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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.