Home / 90,816.80-125,324.64-50,528.48

Finding the Fourth Proportional to 90,816.80, 125,324.64 and 50,528.48

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Solution

The fourth proportional to 90,816.80, 125,324.64 and 50,528.48 is: 69,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816.80 : 125,324.64 = 50,528.48 : x
  2. Step 2: Convert to fraction form
    90,816.80/125,324.64 = 50,528.48/x
  3. Step 3: Cross multiply
    90,816.80x = 125,324.64 × 50,528.48
  4. Step 4: Simplify right side
    90,816.80x = 6,332,463,565.75
  5. Step 5: Solve for x
    x = 6,332,463,565.75/90,816.80
  6. Step 6: Final answer
    x = 69,727.89

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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.