Home / 44,110.86-66,165.75-20,720.76

Finding the Fourth Proportional to 44,110.86, 66,165.75 and 20,720.76

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Solution

The fourth proportional to 44,110.86, 66,165.75 and 20,720.76 is: 31,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,110.86 : 66,165.75 = 20,720.76 : x
  2. Step 2: Convert to fraction form
    44,110.86/66,165.75 = 20,720.76/x
  3. Step 3: Cross multiply
    44,110.86x = 66,165.75 × 20,720.76
  4. Step 4: Simplify right side
    44,110.86x = 1,371,004,625.97
  5. Step 5: Solve for x
    x = 1,371,004,625.97/44,110.86
  6. Step 6: Final answer
    x = 31,080.89

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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.