Home / 55,672.68-76,833.12-30,527.04

Finding the Fourth Proportional to 55,672.68, 76,833.12 and 30,527.04

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Solution

The fourth proportional to 55,672.68, 76,833.12 and 30,527.04 is: 42,129.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,672.68 : 76,833.12 = 30,527.04 : x
  2. Step 2: Convert to fraction form
    55,672.68/76,833.12 = 30,527.04/x
  3. Step 3: Cross multiply
    55,672.68x = 76,833.12 × 30,527.04
  4. Step 4: Simplify right side
    55,672.68x = 2,345,487,727.56
  5. Step 5: Solve for x
    x = 2,345,487,727.56/55,672.68
  6. Step 6: Final answer
    x = 42,129.96

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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.