Home / 80,428.02-110,993.63-48,590.75

Finding the Fourth Proportional to 80,428.02, 110,993.63 and 48,590.75

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Solution

The fourth proportional to 80,428.02, 110,993.63 and 48,590.75 is: 67,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,428.02 : 110,993.63 = 48,590.75 : x
  2. Step 2: Convert to fraction form
    80,428.02/110,993.63 = 48,590.75/x
  3. Step 3: Cross multiply
    80,428.02x = 110,993.63 × 48,590.75
  4. Step 4: Simplify right side
    80,428.02x = 5,393,262,929.00
  5. Step 5: Solve for x
    x = 5,393,262,929.00/80,428.02
  6. Step 6: Final answer
    x = 67,057.01

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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.