Home / 51,581.34-77,372.13-14,141.96

Finding the Fourth Proportional to 51,581.34, 77,372.13 and 14,141.96

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Solution

The fourth proportional to 51,581.34, 77,372.13 and 14,141.96 is: 21,212.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.34 : 77,372.13 = 14,141.96 : x
  2. Step 2: Convert to fraction form
    51,581.34/77,372.13 = 14,141.96/x
  3. Step 3: Cross multiply
    51,581.34x = 77,372.13 × 14,141.96
  4. Step 4: Simplify right side
    51,581.34x = 1,094,193,180.71
  5. Step 5: Solve for x
    x = 1,094,193,180.71/51,581.34
  6. Step 6: Final answer
    x = 21,212.97

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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.