Home / 55,342.62-76,373.04-30,192.66

Finding the Fourth Proportional to 55,342.62, 76,373.04 and 30,192.66

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Solution

The fourth proportional to 55,342.62, 76,373.04 and 30,192.66 is: 41,665.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,342.62 : 76,373.04 = 30,192.66 : x
  2. Step 2: Convert to fraction form
    55,342.62/76,373.04 = 30,192.66/x
  3. Step 3: Cross multiply
    55,342.62x = 76,373.04 × 30,192.66
  4. Step 4: Simplify right side
    55,342.62x = 2,305,905,229.89
  5. Step 5: Solve for x
    x = 2,305,905,229.89/55,342.62
  6. Step 6: Final answer
    x = 41,665.99

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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.