Home / 52,300.42-78,735.20-47,650.30

Finding the Fourth Proportional to 52,300.42, 78,735.20 and 47,650.30

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Solution

The fourth proportional to 52,300.42, 78,735.20 and 47,650.30 is: 71,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,300.42 : 78,735.20 = 47,650.30 : x
  2. Step 2: Convert to fraction form
    52,300.42/78,735.20 = 47,650.30/x
  3. Step 3: Cross multiply
    52,300.42x = 78,735.20 × 47,650.30
  4. Step 4: Simplify right side
    52,300.42x = 3,751,755,465.47
  5. Step 5: Solve for x
    x = 3,751,755,465.47/52,300.42
  6. Step 6: Final answer
    x = 71,734.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.