Home / 53,816.80-80,468.81-49,111.24

Finding the Fourth Proportional to 53,816.80, 80,468.81 and 49,111.24

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Solution

The fourth proportional to 53,816.80, 80,468.81 and 49,111.24 is: 73,432.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,816.80 : 80,468.81 = 49,111.24 : x
  2. Step 2: Convert to fraction form
    53,816.80/80,468.81 = 49,111.24/x
  3. Step 3: Cross multiply
    53,816.80x = 80,468.81 × 49,111.24
  4. Step 4: Simplify right side
    53,816.80x = 3,951,923,040.42
  5. Step 5: Solve for x
    x = 3,951,923,040.42/53,816.80
  6. Step 6: Final answer
    x = 73,432.89

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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.