Home / 47,885.93-71,827.48-12,825.57

Finding the Fourth Proportional to 47,885.93, 71,827.48 and 12,825.57

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Solution

The fourth proportional to 47,885.93, 71,827.48 and 12,825.57 is: 19,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,885.93 : 71,827.48 = 12,825.57 : x
  2. Step 2: Convert to fraction form
    47,885.93/71,827.48 = 12,825.57/x
  3. Step 3: Cross multiply
    47,885.93x = 71,827.48 × 12,825.57
  4. Step 4: Simplify right side
    47,885.93x = 921,228,372.66
  5. Step 5: Solve for x
    x = 921,228,372.66/47,885.93
  6. Step 6: Final answer
    x = 19,237.98

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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.