Home / 47,464.12-71,200.28-12,403.76

Finding the Fourth Proportional to 47,464.12, 71,200.28 and 12,403.76

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Solution

The fourth proportional to 47,464.12, 71,200.28 and 12,403.76 is: 18,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,464.12 : 71,200.28 = 12,403.76 : x
  2. Step 2: Convert to fraction form
    47,464.12/71,200.28 = 12,403.76/x
  3. Step 3: Cross multiply
    47,464.12x = 71,200.28 × 12,403.76
  4. Step 4: Simplify right side
    47,464.12x = 883,151,185.05
  5. Step 5: Solve for x
    x = 883,151,185.05/47,464.12
  6. Step 6: Final answer
    x = 18,606.71

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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.