Home / 52,225.21-72,072.26-28,353.44

Finding the Fourth Proportional to 52,225.21, 72,072.26 and 28,353.44

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Solution

The fourth proportional to 52,225.21, 72,072.26 and 28,353.44 is: 39,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,225.21 : 72,072.26 = 28,353.44 : x
  2. Step 2: Convert to fraction form
    52,225.21/72,072.26 = 28,353.44/x
  3. Step 3: Cross multiply
    52,225.21x = 72,072.26 × 28,353.44
  4. Step 4: Simplify right side
    52,225.21x = 2,043,496,499.57
  5. Step 5: Solve for x
    x = 2,043,496,499.57/52,225.21
  6. Step 6: Final answer
    x = 39,128.55

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1.5x scale

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.