Home / 47,762.20-71,643.23-12,701.86

Finding the Fourth Proportional to 47,762.20, 71,643.23 and 12,701.86

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Solution

The fourth proportional to 47,762.20, 71,643.23 and 12,701.86 is: 19,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,762.20 : 71,643.23 = 12,701.86 : x
  2. Step 2: Convert to fraction form
    47,762.20/71,643.23 = 12,701.86/x
  3. Step 3: Cross multiply
    47,762.20x = 71,643.23 × 12,701.86
  4. Step 4: Simplify right side
    47,762.20x = 910,001,855.68
  5. Step 5: Solve for x
    x = 910,001,855.68/47,762.20
  6. Step 6: Final answer
    x = 19,052.76

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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.