Home / 77,171.67-106,465.39-50,304.38

Finding the Fourth Proportional to 77,171.67, 106,465.39 and 50,304.38

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Solution

The fourth proportional to 77,171.67, 106,465.39 and 50,304.38 is: 69,399.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,171.67 : 106,465.39 = 50,304.38 : x
  2. Step 2: Convert to fraction form
    77,171.67/106,465.39 = 50,304.38/x
  3. Step 3: Cross multiply
    77,171.67x = 106,465.39 × 50,304.38
  4. Step 4: Simplify right side
    77,171.67x = 5,355,674,777.32
  5. Step 5: Solve for x
    x = 5,355,674,777.32/77,171.67
  6. Step 6: Final answer
    x = 69,399.49

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1.5x scale

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.