Home / 77,334.29-106,739.39-50,429.93

Finding the Fourth Proportional to 77,334.29, 106,739.39 and 50,429.93

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Solution

The fourth proportional to 77,334.29, 106,739.39 and 50,429.93 is: 69,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,334.29 : 106,739.39 = 50,429.93 : x
  2. Step 2: Convert to fraction form
    77,334.29/106,739.39 = 50,429.93/x
  3. Step 3: Cross multiply
    77,334.29x = 106,739.39 × 50,429.93
  4. Step 4: Simplify right side
    77,334.29x = 5,382,860,358.87
  5. Step 5: Solve for x
    x = 5,382,860,358.87/77,334.29
  6. Step 6: Final answer
    x = 69,605.10

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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.