Home / 82,380.04-113,704.82-54,124.04

Finding the Fourth Proportional to 82,380.04, 113,704.82 and 54,124.04

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Solution

The fourth proportional to 82,380.04, 113,704.82 and 54,124.04 is: 74,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,380.04 : 113,704.82 = 54,124.04 : x
  2. Step 2: Convert to fraction form
    82,380.04/113,704.82 = 54,124.04/x
  3. Step 3: Cross multiply
    82,380.04x = 113,704.82 × 54,124.04
  4. Step 4: Simplify right side
    82,380.04x = 6,154,164,225.87
  5. Step 5: Solve for x
    x = 6,154,164,225.87/82,380.04
  6. Step 6: Final answer
    x = 74,704.55

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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.