Home / 49,866.02-68,821.50-28,649.39

Finding the Fourth Proportional to 49,866.02, 68,821.50 and 28,649.39

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Solution

The fourth proportional to 49,866.02, 68,821.50 and 28,649.39 is: 39,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,866.02 : 68,821.50 = 28,649.39 : x
  2. Step 2: Convert to fraction form
    49,866.02/68,821.50 = 28,649.39/x
  3. Step 3: Cross multiply
    49,866.02x = 68,821.50 × 28,649.39
  4. Step 4: Simplify right side
    49,866.02x = 1,971,693,649.78
  5. Step 5: Solve for x
    x = 1,971,693,649.78/49,866.02
  6. Step 6: Final answer
    x = 39,539.83

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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.