Home / 47,805.21-71,703.12-14,525.55

Finding the Fourth Proportional to 47,805.21, 71,703.12 and 14,525.55

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Solution

The fourth proportional to 47,805.21, 71,703.12 and 14,525.55 is: 21,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.21 : 71,703.12 = 14,525.55 : x
  2. Step 2: Convert to fraction form
    47,805.21/71,703.12 = 14,525.55/x
  3. Step 3: Cross multiply
    47,805.21x = 71,703.12 × 14,525.55
  4. Step 4: Simplify right side
    47,805.21x = 1,041,527,254.72
  5. Step 5: Solve for x
    x = 1,041,527,254.72/47,805.21
  6. Step 6: Final answer
    x = 21,786.90

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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.