Home / 50,921.07-76,381.47-28,724.37

Finding the Fourth Proportional to 50,921.07, 76,381.47 and 28,724.37

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Solution

The fourth proportional to 50,921.07, 76,381.47 and 28,724.37 is: 43,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.07 : 76,381.47 = 28,724.37 : x
  2. Step 2: Convert to fraction form
    50,921.07/76,381.47 = 28,724.37/x
  3. Step 3: Cross multiply
    50,921.07x = 76,381.47 × 28,724.37
  4. Step 4: Simplify right side
    50,921.07x = 2,194,009,605.42
  5. Step 5: Solve for x
    x = 2,194,009,605.42/50,921.07
  6. Step 6: Final answer
    x = 43,086.48

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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.