Home / 47,135.72-70,704.22-15,549.06

Finding the Fourth Proportional to 47,135.72, 70,704.22 and 15,549.06

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Solution

The fourth proportional to 47,135.72, 70,704.22 and 15,549.06 is: 23,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.72 : 70,704.22 = 15,549.06 : x
  2. Step 2: Convert to fraction form
    47,135.72/70,704.22 = 15,549.06/x
  3. Step 3: Cross multiply
    47,135.72x = 70,704.22 × 15,549.06
  4. Step 4: Simplify right side
    47,135.72x = 1,099,384,159.03
  5. Step 5: Solve for x
    x = 1,099,384,159.03/47,135.72
  6. Step 6: Final answer
    x = 23,323.80

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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.