Home / 77,007.62-106,241.28-50,173.13

Finding the Fourth Proportional to 77,007.62, 106,241.28 and 50,173.13

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Solution

The fourth proportional to 77,007.62, 106,241.28 and 50,173.13 is: 69,219.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,007.62 : 106,241.28 = 50,173.13 : x
  2. Step 2: Convert to fraction form
    77,007.62/106,241.28 = 50,173.13/x
  3. Step 3: Cross multiply
    77,007.62x = 106,241.28 × 50,173.13
  4. Step 4: Simplify right side
    77,007.62x = 5,330,457,552.81
  5. Step 5: Solve for x
    x = 5,330,457,552.81/77,007.62
  6. Step 6: Final answer
    x = 69,219.87

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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.