Home / 45,801.86-68,712.61-14,211.25

Finding the Fourth Proportional to 45,801.86, 68,712.61 and 14,211.25

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Solution

The fourth proportional to 45,801.86, 68,712.61 and 14,211.25 is: 21,319.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,801.86 : 68,712.61 = 14,211.25 : x
  2. Step 2: Convert to fraction form
    45,801.86/68,712.61 = 14,211.25/x
  3. Step 3: Cross multiply
    45,801.86x = 68,712.61 × 14,211.25
  4. Step 4: Simplify right side
    45,801.86x = 976,491,871.55
  5. Step 5: Solve for x
    x = 976,491,871.55/45,801.86
  6. Step 6: Final answer
    x = 21,319.92

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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.