Home / 43,121.61-64,677.86-11,534.86

Finding the Fourth Proportional to 43,121.61, 64,677.86 and 11,534.86

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Solution

The fourth proportional to 43,121.61, 64,677.86 and 11,534.86 is: 17,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.61 : 64,677.86 = 11,534.86 : x
  2. Step 2: Convert to fraction form
    43,121.61/64,677.86 = 11,534.86/x
  3. Step 3: Cross multiply
    43,121.61x = 64,677.86 × 11,534.86
  4. Step 4: Simplify right side
    43,121.61x = 746,049,947.91
  5. Step 5: Solve for x
    x = 746,049,947.91/43,121.61
  6. Step 6: Final answer
    x = 17,301.07

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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.