Home / 76,737.04-115,115.28-21,333.04

Finding the Fourth Proportional to 76,737.04, 115,115.28 and 21,333.04

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Solution

The fourth proportional to 76,737.04, 115,115.28 and 21,333.04 is: 32,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,737.04 : 115,115.28 = 21,333.04 : x
  2. Step 2: Convert to fraction form
    76,737.04/115,115.28 = 21,333.04/x
  3. Step 3: Cross multiply
    76,737.04x = 115,115.28 × 21,333.04
  4. Step 4: Simplify right side
    76,737.04x = 2,455,758,872.85
  5. Step 5: Solve for x
    x = 2,455,758,872.85/76,737.04
  6. Step 6: Final answer
    x = 32,002.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.