Home / 80,359.23-110,900.40-48,532.83

Finding the Fourth Proportional to 80,359.23, 110,900.40 and 48,532.83

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Solution

The fourth proportional to 80,359.23, 110,900.40 and 48,532.83 is: 66,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,359.23 : 110,900.40 = 48,532.83 : x
  2. Step 2: Convert to fraction form
    80,359.23/110,900.40 = 48,532.83/x
  3. Step 3: Cross multiply
    80,359.23x = 110,900.40 × 48,532.83
  4. Step 4: Simplify right side
    80,359.23x = 5,382,310,260.13
  5. Step 5: Solve for x
    x = 5,382,310,260.13/80,359.23
  6. Step 6: Final answer
    x = 66,978.12

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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.