Home / 77,374.47-106,823.37-50,561.85

Finding the Fourth Proportional to 77,374.47, 106,823.37 and 50,561.85

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Solution

The fourth proportional to 77,374.47, 106,823.37 and 50,561.85 is: 69,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,374.47 : 106,823.37 = 50,561.85 : x
  2. Step 2: Convert to fraction form
    77,374.47/106,823.37 = 50,561.85/x
  3. Step 3: Cross multiply
    77,374.47x = 106,823.37 × 50,561.85
  4. Step 4: Simplify right side
    77,374.47x = 5,401,187,800.63
  5. Step 5: Solve for x
    x = 5,401,187,800.63/77,374.47
  6. Step 6: Final answer
    x = 69,805.81

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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.