Home / 45,886.61-68,829.92-12,610.19

Finding the Fourth Proportional to 45,886.61, 68,829.92 and 12,610.19

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Solution

The fourth proportional to 45,886.61, 68,829.92 and 12,610.19 is: 18,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,886.61 : 68,829.92 = 12,610.19 : x
  2. Step 2: Convert to fraction form
    45,886.61/68,829.92 = 12,610.19/x
  3. Step 3: Cross multiply
    45,886.61x = 68,829.92 × 12,610.19
  4. Step 4: Simplify right side
    45,886.61x = 867,957,961.68
  5. Step 5: Solve for x
    x = 867,957,961.68/45,886.61
  6. Step 6: Final answer
    x = 18,915.28

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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.