Home / 80,845.74-111,527.01-54,024.21

Finding the Fourth Proportional to 80,845.74, 111,527.01 and 54,024.21

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Solution

The fourth proportional to 80,845.74, 111,527.01 and 54,024.21 is: 74,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,845.74 : 111,527.01 = 54,024.21 : x
  2. Step 2: Convert to fraction form
    80,845.74/111,527.01 = 54,024.21/x
  3. Step 3: Cross multiply
    80,845.74x = 111,527.01 × 54,024.21
  4. Step 4: Simplify right side
    80,845.74x = 6,025,158,608.91
  5. Step 5: Solve for x
    x = 6,025,158,608.91/80,845.74
  6. Step 6: Final answer
    x = 74,526.61

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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.