Home / 57,079.76-85,588.86-17,626.28

Finding the Fourth Proportional to 57,079.76, 85,588.86 and 17,626.28

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Solution

The fourth proportional to 57,079.76, 85,588.86 and 17,626.28 is: 26,429.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.76 : 85,588.86 = 17,626.28 : x
  2. Step 2: Convert to fraction form
    57,079.76/85,588.86 = 17,626.28/x
  3. Step 3: Cross multiply
    57,079.76x = 85,588.86 × 17,626.28
  4. Step 4: Simplify right side
    57,079.76x = 1,508,613,211.24
  5. Step 5: Solve for x
    x = 1,508,613,211.24/57,079.76
  6. Step 6: Final answer
    x = 26,429.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.