Home / 47,687.90-71,533.22-12,627.59

Finding the Fourth Proportional to 47,687.90, 71,533.22 and 12,627.59

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Solution

The fourth proportional to 47,687.90, 71,533.22 and 12,627.59 is: 18,941.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,687.90 : 71,533.22 = 12,627.59 : x
  2. Step 2: Convert to fraction form
    47,687.90/71,533.22 = 12,627.59/x
  3. Step 3: Cross multiply
    47,687.90x = 71,533.22 × 12,627.59
  4. Step 4: Simplify right side
    47,687.90x = 903,291,752.74
  5. Step 5: Solve for x
    x = 903,291,752.74/47,687.90
  6. Step 6: Final answer
    x = 18,941.74

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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.