Home / 71,320.55-107,034.77-48,777.37

Finding the Fourth Proportional to 71,320.55, 107,034.77 and 48,777.37

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Solution

The fourth proportional to 71,320.55, 107,034.77 and 48,777.37 is: 73,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,320.55 : 107,034.77 = 48,777.37 : x
  2. Step 2: Convert to fraction form
    71,320.55/107,034.77 = 48,777.37/x
  3. Step 3: Cross multiply
    71,320.55x = 107,034.77 × 48,777.37
  4. Step 4: Simplify right side
    71,320.55x = 5,220,874,433.51
  5. Step 5: Solve for x
    x = 5,220,874,433.51/71,320.55
  6. Step 6: Final answer
    x = 73,202.95

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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.