Home / 81,002.69-111,778.48-44,704.46

Finding the Fourth Proportional to 81,002.69, 111,778.48 and 44,704.46

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Solution

The fourth proportional to 81,002.69, 111,778.48 and 44,704.46 is: 61,689.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,002.69 : 111,778.48 = 44,704.46 : x
  2. Step 2: Convert to fraction form
    81,002.69/111,778.48 = 44,704.46/x
  3. Step 3: Cross multiply
    81,002.69x = 111,778.48 × 44,704.46
  4. Step 4: Simplify right side
    81,002.69x = 4,996,996,755.71
  5. Step 5: Solve for x
    x = 4,996,996,755.71/81,002.69
  6. Step 6: Final answer
    x = 61,689.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.