Home / 55,182.20-82,859.70-37,729.40

Finding the Fourth Proportional to 55,182.20, 82,859.70 and 37,729.40

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Solution

The fourth proportional to 55,182.20, 82,859.70 and 37,729.40 is: 56,653.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.20 : 82,859.70 = 37,729.40 : x
  2. Step 2: Convert to fraction form
    55,182.20/82,859.70 = 37,729.40/x
  3. Step 3: Cross multiply
    55,182.20x = 82,859.70 × 37,729.40
  4. Step 4: Simplify right side
    55,182.20x = 3,126,246,765.18
  5. Step 5: Solve for x
    x = 3,126,246,765.18/55,182.20
  6. Step 6: Final answer
    x = 56,653.17

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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.