Home / 80,021.87-110,420.77-44,209.74

Finding the Fourth Proportional to 80,021.87, 110,420.77 and 44,209.74

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Solution

The fourth proportional to 80,021.87, 110,420.77 and 44,209.74 is: 61,004.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,021.87 : 110,420.77 = 44,209.74 : x
  2. Step 2: Convert to fraction form
    80,021.87/110,420.77 = 44,209.74/x
  3. Step 3: Cross multiply
    80,021.87x = 110,420.77 × 44,209.74
  4. Step 4: Simplify right side
    80,021.87x = 4,881,673,532.30
  5. Step 5: Solve for x
    x = 4,881,673,532.30/80,021.87
  6. Step 6: Final answer
    x = 61,004.24

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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.