Home / 56,399.19-84,633.89-51,143.71

Finding the Fourth Proportional to 56,399.19, 84,633.89 and 51,143.71

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Solution

The fourth proportional to 56,399.19, 84,633.89 and 51,143.71 is: 76,747.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,399.19 : 84,633.89 = 51,143.71 : x
  2. Step 2: Convert to fraction form
    56,399.19/84,633.89 = 51,143.71/x
  3. Step 3: Cross multiply
    56,399.19x = 84,633.89 × 51,143.71
  4. Step 4: Simplify right side
    56,399.19x = 4,328,491,126.33
  5. Step 5: Solve for x
    x = 4,328,491,126.33/56,399.19
  6. Step 6: Final answer
    x = 76,747.40

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1.5x scale

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.