Home / 64,400.41-96,614.28-19,423.13

Finding the Fourth Proportional to 64,400.41, 96,614.28 and 19,423.13

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Solution

The fourth proportional to 64,400.41, 96,614.28 and 19,423.13 is: 29,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,400.41 : 96,614.28 = 19,423.13 : x
  2. Step 2: Convert to fraction form
    64,400.41/96,614.28 = 19,423.13/x
  3. Step 3: Cross multiply
    64,400.41x = 96,614.28 × 19,423.13
  4. Step 4: Simplify right side
    64,400.41x = 1,876,551,961.83
  5. Step 5: Solve for x
    x = 1,876,551,961.83/64,400.41
  6. Step 6: Final answer
    x = 29,138.82

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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.