Home / 52,820.20-79,339.74-51,048.64

Finding the Fourth Proportional to 52,820.20, 79,339.74 and 51,048.64

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Solution

The fourth proportional to 52,820.20, 79,339.74 and 51,048.64 is: 76,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,820.20 : 79,339.74 = 51,048.64 : x
  2. Step 2: Convert to fraction form
    52,820.20/79,339.74 = 51,048.64/x
  3. Step 3: Cross multiply
    52,820.20x = 79,339.74 × 51,048.64
  4. Step 4: Simplify right side
    52,820.20x = 4,050,185,824.95
  5. Step 5: Solve for x
    x = 4,050,185,824.95/52,820.20
  6. Step 6: Final answer
    x = 76,678.73

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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.