Home / 44,119.80-66,172.50-12,531.96

Finding the Fourth Proportional to 44,119.80, 66,172.50 and 12,531.96

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Solution

The fourth proportional to 44,119.80, 66,172.50 and 12,531.96 is: 18,795.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,119.80 : 66,172.50 = 12,531.96 : x
  2. Step 2: Convert to fraction form
    44,119.80/66,172.50 = 12,531.96/x
  3. Step 3: Cross multiply
    44,119.80x = 66,172.50 × 12,531.96
  4. Step 4: Simplify right side
    44,119.80x = 829,271,123.10
  5. Step 5: Solve for x
    x = 829,271,123.10/44,119.80
  6. Step 6: Final answer
    x = 18,795.89

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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.