Home / 75,485.28-104,150.64-50,317.92

Finding the Fourth Proportional to 75,485.28, 104,150.64 and 50,317.92

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Solution

The fourth proportional to 75,485.28, 104,150.64 and 50,317.92 is: 69,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,485.28 : 104,150.64 = 50,317.92 : x
  2. Step 2: Convert to fraction form
    75,485.28/104,150.64 = 50,317.92/x
  3. Step 3: Cross multiply
    75,485.28x = 104,150.64 × 50,317.92
  4. Step 4: Simplify right side
    75,485.28x = 5,240,643,571.47
  5. Step 5: Solve for x
    x = 5,240,643,571.47/75,485.28
  6. Step 6: Final answer
    x = 69,426.03

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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.