Home / 47,216.15-70,660.20-43,279.55

Finding the Fourth Proportional to 47,216.15, 70,660.20 and 43,279.55

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Solution

The fourth proportional to 47,216.15, 70,660.20 and 43,279.55 is: 64,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,216.15 : 70,660.20 = 43,279.55 : x
  2. Step 2: Convert to fraction form
    47,216.15/70,660.20 = 43,279.55/x
  3. Step 3: Cross multiply
    47,216.15x = 70,660.20 × 43,279.55
  4. Step 4: Simplify right side
    47,216.15x = 3,058,141,658.91
  5. Step 5: Solve for x
    x = 3,058,141,658.91/47,216.15
  6. Step 6: Final answer
    x = 64,768.98

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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.