Home / 80,415.30-110,956.50-46,423.20

Finding the Fourth Proportional to 80,415.30, 110,956.50 and 46,423.20

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Solution

The fourth proportional to 80,415.30, 110,956.50 and 46,423.20 is: 64,054.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,415.30 : 110,956.50 = 46,423.20 : x
  2. Step 2: Convert to fraction form
    80,415.30/110,956.50 = 46,423.20/x
  3. Step 3: Cross multiply
    80,415.30x = 110,956.50 × 46,423.20
  4. Step 4: Simplify right side
    80,415.30x = 5,150,955,790.80
  5. Step 5: Solve for x
    x = 5,150,955,790.80/80,415.30
  6. Step 6: Final answer
    x = 64,054.42

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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.