Home / 44,105.11-66,161.32-14,123.72

Finding the Fourth Proportional to 44,105.11, 66,161.32 and 14,123.72

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Solution

The fourth proportional to 44,105.11, 66,161.32 and 14,123.72 is: 21,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,105.11 : 66,161.32 = 14,123.72 : x
  2. Step 2: Convert to fraction form
    44,105.11/66,161.32 = 14,123.72/x
  3. Step 3: Cross multiply
    44,105.11x = 66,161.32 × 14,123.72
  4. Step 4: Simplify right side
    44,105.11x = 934,444,088.60
  5. Step 5: Solve for x
    x = 934,444,088.60/44,105.11
  6. Step 6: Final answer
    x = 21,186.75

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1.5x scale

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.