Home / 51,135.24-70,552.44-32,978.28

Finding the Fourth Proportional to 51,135.24, 70,552.44 and 32,978.28

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Solution

The fourth proportional to 51,135.24, 70,552.44 and 32,978.28 is: 45,500.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,135.24 : 70,552.44 = 32,978.28 : x
  2. Step 2: Convert to fraction form
    51,135.24/70,552.44 = 32,978.28/x
  3. Step 3: Cross multiply
    51,135.24x = 70,552.44 × 32,978.28
  4. Step 4: Simplify right side
    51,135.24x = 2,326,698,121.00
  5. Step 5: Solve for x
    x = 2,326,698,121.00/51,135.24
  6. Step 6: Final answer
    x = 45,500.87

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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.