Home / 47,475.81-71,199.36-15,877.80

Finding the Fourth Proportional to 47,475.81, 71,199.36 and 15,877.80

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Solution

The fourth proportional to 47,475.81, 71,199.36 and 15,877.80 is: 23,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,475.81 : 71,199.36 = 15,877.80 : x
  2. Step 2: Convert to fraction form
    47,475.81/71,199.36 = 15,877.80/x
  3. Step 3: Cross multiply
    47,475.81x = 71,199.36 × 15,877.80
  4. Step 4: Simplify right side
    47,475.81x = 1,130,489,198.21
  5. Step 5: Solve for x
    x = 1,130,489,198.21/47,475.81
  6. Step 6: Final answer
    x = 23,811.90

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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.