Home / 47,250.66-70,877.36-12,190.32

Finding the Fourth Proportional to 47,250.66, 70,877.36 and 12,190.32

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Solution

The fourth proportional to 47,250.66, 70,877.36 and 12,190.32 is: 18,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.66 : 70,877.36 = 12,190.32 : x
  2. Step 2: Convert to fraction form
    47,250.66/70,877.36 = 12,190.32/x
  3. Step 3: Cross multiply
    47,250.66x = 70,877.36 × 12,190.32
  4. Step 4: Simplify right side
    47,250.66x = 864,017,638.20
  5. Step 5: Solve for x
    x = 864,017,638.20/47,250.66
  6. Step 6: Final answer
    x = 18,285.83

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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.