Home / 82,589.04-114,020.09-54,376.74

Finding the Fourth Proportional to 82,589.04, 114,020.09 and 54,376.74

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Solution

The fourth proportional to 82,589.04, 114,020.09 and 54,376.74 is: 75,070.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,589.04 : 114,020.09 = 54,376.74 : x
  2. Step 2: Convert to fraction form
    82,589.04/114,020.09 = 54,376.74/x
  3. Step 3: Cross multiply
    82,589.04x = 114,020.09 × 54,376.74
  4. Step 4: Simplify right side
    82,589.04x = 6,200,040,516.82
  5. Step 5: Solve for x
    x = 6,200,040,516.82/82,589.04
  6. Step 6: Final answer
    x = 75,070.98

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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.