Home / 55,203.32-76,136.28-36,081.56

Finding the Fourth Proportional to 55,203.32, 76,136.28 and 36,081.56

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Solution

The fourth proportional to 55,203.32, 76,136.28 and 36,081.56 is: 49,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,203.32 : 76,136.28 = 36,081.56 : x
  2. Step 2: Convert to fraction form
    55,203.32/76,136.28 = 36,081.56/x
  3. Step 3: Cross multiply
    55,203.32x = 76,136.28 × 36,081.56
  4. Step 4: Simplify right side
    55,203.32x = 2,747,115,755.00
  5. Step 5: Solve for x
    x = 2,747,115,755.00/55,203.32
  6. Step 6: Final answer
    x = 49,763.60

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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.