Home / 84,818.20-127,352.85-47,452.90

Finding the Fourth Proportional to 84,818.20, 127,352.85 and 47,452.90

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Solution

The fourth proportional to 84,818.20, 127,352.85 and 47,452.90 is: 71,249.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,818.20 : 127,352.85 = 47,452.90 : x
  2. Step 2: Convert to fraction form
    84,818.20/127,352.85 = 47,452.90/x
  3. Step 3: Cross multiply
    84,818.20x = 127,352.85 × 47,452.90
  4. Step 4: Simplify right side
    84,818.20x = 6,043,262,055.77
  5. Step 5: Solve for x
    x = 6,043,262,055.77/84,818.20
  6. Step 6: Final answer
    x = 71,249.59

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1.5x scale

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.