Home / 64,814.24-89,390.76-54,425.90

Finding the Fourth Proportional to 64,814.24, 89,390.76 and 54,425.90

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Solution

The fourth proportional to 64,814.24, 89,390.76 and 54,425.90 is: 75,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,814.24 : 89,390.76 = 54,425.90 : x
  2. Step 2: Convert to fraction form
    64,814.24/89,390.76 = 54,425.90/x
  3. Step 3: Cross multiply
    64,814.24x = 89,390.76 × 54,425.90
  4. Step 4: Simplify right side
    64,814.24x = 4,865,172,564.68
  5. Step 5: Solve for x
    x = 4,865,172,564.68/64,814.24
  6. Step 6: Final answer
    x = 75,063.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.