Home / 47,513.15-71,272.02-12,452.84

Finding the Fourth Proportional to 47,513.15, 71,272.02 and 12,452.84

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Solution

The fourth proportional to 47,513.15, 71,272.02 and 12,452.84 is: 18,679.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,513.15 : 71,272.02 = 12,452.84 : x
  2. Step 2: Convert to fraction form
    47,513.15/71,272.02 = 12,452.84/x
  3. Step 3: Cross multiply
    47,513.15x = 71,272.02 × 12,452.84
  4. Step 4: Simplify right side
    47,513.15x = 887,539,061.54
  5. Step 5: Solve for x
    x = 887,539,061.54/47,513.15
  6. Step 6: Final answer
    x = 18,679.86

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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.