Home / 44,205.57-66,312.28-12,615.03

Finding the Fourth Proportional to 44,205.57, 66,312.28 and 12,615.03

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Solution

The fourth proportional to 44,205.57, 66,312.28 and 12,615.03 is: 18,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,205.57 : 66,312.28 = 12,615.03 : x
  2. Step 2: Convert to fraction form
    44,205.57/66,312.28 = 12,615.03/x
  3. Step 3: Cross multiply
    44,205.57x = 66,312.28 × 12,615.03
  4. Step 4: Simplify right side
    44,205.57x = 836,531,401.57
  5. Step 5: Solve for x
    x = 836,531,401.57/44,205.57
  6. Step 6: Final answer
    x = 18,923.67

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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.