Home / 45,254.25-67,890.48-15,671.43

Finding the Fourth Proportional to 45,254.25, 67,890.48 and 15,671.43

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Solution

The fourth proportional to 45,254.25, 67,890.48 and 15,671.43 is: 23,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,254.25 : 67,890.48 = 15,671.43 : x
  2. Step 2: Convert to fraction form
    45,254.25/67,890.48 = 15,671.43/x
  3. Step 3: Cross multiply
    45,254.25x = 67,890.48 × 15,671.43
  4. Step 4: Simplify right side
    45,254.25x = 1,063,940,904.99
  5. Step 5: Solve for x
    x = 1,063,940,904.99/45,254.25
  6. Step 6: Final answer
    x = 23,510.30

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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.