Home / 57,720.16-79,606.74-48,486.52

Finding the Fourth Proportional to 57,720.16, 79,606.74 and 48,486.52

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Solution

The fourth proportional to 57,720.16, 79,606.74 and 48,486.52 is: 66,871.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,720.16 : 79,606.74 = 48,486.52 : x
  2. Step 2: Convert to fraction form
    57,720.16/79,606.74 = 48,486.52/x
  3. Step 3: Cross multiply
    57,720.16x = 79,606.74 × 48,486.52
  4. Step 4: Simplify right side
    57,720.16x = 3,859,853,791.14
  5. Step 5: Solve for x
    x = 3,859,853,791.14/57,720.16
  6. Step 6: Final answer
    x = 66,871.85

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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.