Home / 45,853.71-68,783.36-12,572.43

Finding the Fourth Proportional to 45,853.71, 68,783.36 and 12,572.43

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Solution

The fourth proportional to 45,853.71, 68,783.36 and 12,572.43 is: 18,859.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,853.71 : 68,783.36 = 12,572.43 : x
  2. Step 2: Convert to fraction form
    45,853.71/68,783.36 = 12,572.43/x
  3. Step 3: Cross multiply
    45,853.71x = 68,783.36 × 12,572.43
  4. Step 4: Simplify right side
    45,853.71x = 864,773,915.90
  5. Step 5: Solve for x
    x = 864,773,915.90/45,853.71
  6. Step 6: Final answer
    x = 18,859.41

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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.