Home / 71,628.02-107,340.16-52,759.68

Finding the Fourth Proportional to 71,628.02, 107,340.16 and 52,759.68

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Solution

The fourth proportional to 71,628.02, 107,340.16 and 52,759.68 is: 79,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,628.02 : 107,340.16 = 52,759.68 : x
  2. Step 2: Convert to fraction form
    71,628.02/107,340.16 = 52,759.68/x
  3. Step 3: Cross multiply
    71,628.02x = 107,340.16 × 52,759.68
  4. Step 4: Simplify right side
    71,628.02x = 5,663,231,692.25
  5. Step 5: Solve for x
    x = 5,663,231,692.25/71,628.02
  6. Step 6: Final answer
    x = 79,064.47

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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.