Home / 52,049.52-78,035.40-28,293.84

Finding the Fourth Proportional to 52,049.52, 78,035.40 and 28,293.84

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Solution

The fourth proportional to 52,049.52, 78,035.40 and 28,293.84 is: 42,419.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,049.52 : 78,035.40 = 28,293.84 : x
  2. Step 2: Convert to fraction form
    52,049.52/78,035.40 = 28,293.84/x
  3. Step 3: Cross multiply
    52,049.52x = 78,035.40 × 28,293.84
  4. Step 4: Simplify right side
    52,049.52x = 2,207,921,121.94
  5. Step 5: Solve for x
    x = 2,207,921,121.94/52,049.52
  6. Step 6: Final answer
    x = 42,419.63

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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.