Home / 55,440.92-76,589.42-47,975.96

Finding the Fourth Proportional to 55,440.92, 76,589.42 and 47,975.96

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Solution

The fourth proportional to 55,440.92, 76,589.42 and 47,975.96 is: 66,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.92 : 76,589.42 = 47,975.96 : x
  2. Step 2: Convert to fraction form
    55,440.92/76,589.42 = 47,975.96/x
  3. Step 3: Cross multiply
    55,440.92x = 76,589.42 × 47,975.96
  4. Step 4: Simplify right side
    55,440.92x = 3,674,450,950.34
  5. Step 5: Solve for x
    x = 3,674,450,950.34/55,440.92
  6. Step 6: Final answer
    x = 66,276.88

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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.