Home / 77,206.24-115,780.20-32,853.88

Finding the Fourth Proportional to 77,206.24, 115,780.20 and 32,853.88

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Solution

The fourth proportional to 77,206.24, 115,780.20 and 32,853.88 is: 49,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,206.24 : 115,780.20 = 32,853.88 : x
  2. Step 2: Convert to fraction form
    77,206.24/115,780.20 = 32,853.88/x
  3. Step 3: Cross multiply
    77,206.24x = 115,780.20 × 32,853.88
  4. Step 4: Simplify right side
    77,206.24x = 3,803,828,797.18
  5. Step 5: Solve for x
    x = 3,803,828,797.18/77,206.24
  6. Step 6: Final answer
    x = 49,268.41

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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.