Home / 64,081.34-96,131.19-19,711.83

Finding the Fourth Proportional to 64,081.34, 96,131.19 and 19,711.83

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Solution

The fourth proportional to 64,081.34, 96,131.19 and 19,711.83 is: 29,570.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,081.34 : 96,131.19 = 19,711.83 : x
  2. Step 2: Convert to fraction form
    64,081.34/96,131.19 = 19,711.83/x
  3. Step 3: Cross multiply
    64,081.34x = 96,131.19 × 19,711.83
  4. Step 4: Simplify right side
    64,081.34x = 1,894,921,674.98
  5. Step 5: Solve for x
    x = 1,894,921,674.98/64,081.34
  6. Step 6: Final answer
    x = 29,570.57

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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.