Home / 50,781.23-76,288.63-35,822.78

Finding the Fourth Proportional to 50,781.23, 76,288.63 and 35,822.78

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Solution

The fourth proportional to 50,781.23, 76,288.63 and 35,822.78 is: 53,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,781.23 : 76,288.63 = 35,822.78 : x
  2. Step 2: Convert to fraction form
    50,781.23/76,288.63 = 35,822.78/x
  3. Step 3: Cross multiply
    50,781.23x = 76,288.63 × 35,822.78
  4. Step 4: Simplify right side
    50,781.23x = 2,732,870,284.51
  5. Step 5: Solve for x
    x = 2,732,870,284.51/50,781.23
  6. Step 6: Final answer
    x = 53,816.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.