Home / 52,228.20-72,074.94-28,354.86

Finding the Fourth Proportional to 52,228.20, 72,074.94 and 28,354.86

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Solution

The fourth proportional to 52,228.20, 72,074.94 and 28,354.86 is: 39,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.20 : 72,074.94 = 28,354.86 : x
  2. Step 2: Convert to fraction form
    52,228.20/72,074.94 = 28,354.86/x
  3. Step 3: Cross multiply
    52,228.20x = 72,074.94 × 28,354.86
  4. Step 4: Simplify right side
    52,228.20x = 2,043,674,833.21
  5. Step 5: Solve for x
    x = 2,043,674,833.21/52,228.20
  6. Step 6: Final answer
    x = 39,129.72

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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.