Home / 80,579.58-111,199.95-44,769.63

Finding the Fourth Proportional to 80,579.58, 111,199.95 and 44,769.63

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Solution

The fourth proportional to 80,579.58, 111,199.95 and 44,769.63 is: 61,782.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,579.58 : 111,199.95 = 44,769.63 : x
  2. Step 2: Convert to fraction form
    80,579.58/111,199.95 = 44,769.63/x
  3. Step 3: Cross multiply
    80,579.58x = 111,199.95 × 44,769.63
  4. Step 4: Simplify right side
    80,579.58x = 4,978,380,617.52
  5. Step 5: Solve for x
    x = 4,978,380,617.52/80,579.58
  6. Step 6: Final answer
    x = 61,782.16

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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.