Home / 47,259.57-70,889.64-12,199.53

Finding the Fourth Proportional to 47,259.57, 70,889.64 and 12,199.53

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Solution

The fourth proportional to 47,259.57, 70,889.64 and 12,199.53 is: 18,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,259.57 : 70,889.64 = 12,199.53 : x
  2. Step 2: Convert to fraction form
    47,259.57/70,889.64 = 12,199.53/x
  3. Step 3: Cross multiply
    47,259.57x = 70,889.64 × 12,199.53
  4. Step 4: Simplify right side
    47,259.57x = 864,820,289.87
  5. Step 5: Solve for x
    x = 864,820,289.87/47,259.57
  6. Step 6: Final answer
    x = 18,299.37

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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.