Home / 45,076.12-67,531.26-22,905.40

Finding the Fourth Proportional to 45,076.12, 67,531.26 and 22,905.40

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Solution

The fourth proportional to 45,076.12, 67,531.26 and 22,905.40 is: 34,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,076.12 : 67,531.26 = 22,905.40 : x
  2. Step 2: Convert to fraction form
    45,076.12/67,531.26 = 22,905.40/x
  3. Step 3: Cross multiply
    45,076.12x = 67,531.26 × 22,905.40
  4. Step 4: Simplify right side
    45,076.12x = 1,546,830,522.80
  5. Step 5: Solve for x
    x = 1,546,830,522.80/45,076.12
  6. Step 6: Final answer
    x = 34,315.96

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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.