Home / 62,429.72-93,649.76-20,308.80

Finding the Fourth Proportional to 62,429.72, 93,649.76 and 20,308.80

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Solution

The fourth proportional to 62,429.72, 93,649.76 and 20,308.80 is: 30,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,429.72 : 93,649.76 = 20,308.80 : x
  2. Step 2: Convert to fraction form
    62,429.72/93,649.76 = 20,308.80/x
  3. Step 3: Cross multiply
    62,429.72x = 93,649.76 × 20,308.80
  4. Step 4: Simplify right side
    62,429.72x = 1,901,914,245.89
  5. Step 5: Solve for x
    x = 1,901,914,245.89/62,429.72
  6. Step 6: Final answer
    x = 30,464.89

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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.