Home / 52,205.76-78,255.36-20,595.24

Finding the Fourth Proportional to 52,205.76, 78,255.36 and 20,595.24

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Solution

The fourth proportional to 52,205.76, 78,255.36 and 20,595.24 is: 30,871.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,205.76 : 78,255.36 = 20,595.24 : x
  2. Step 2: Convert to fraction form
    52,205.76/78,255.36 = 20,595.24/x
  3. Step 3: Cross multiply
    52,205.76x = 78,255.36 × 20,595.24
  4. Step 4: Simplify right side
    52,205.76x = 1,611,687,920.49
  5. Step 5: Solve for x
    x = 1,611,687,920.49/52,205.76
  6. Step 6: Final answer
    x = 30,871.84

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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.