Home / 80,288.52-110,782.19-48,459.17

Finding the Fourth Proportional to 80,288.52, 110,782.19 and 48,459.17

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Solution

The fourth proportional to 80,288.52, 110,782.19 and 48,459.17 is: 66,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,288.52 : 110,782.19 = 48,459.17 : x
  2. Step 2: Convert to fraction form
    80,288.52/110,782.19 = 48,459.17/x
  3. Step 3: Cross multiply
    80,288.52x = 110,782.19 × 48,459.17
  4. Step 4: Simplify right side
    80,288.52x = 5,368,412,181.98
  5. Step 5: Solve for x
    x = 5,368,412,181.98/80,288.52
  6. Step 6: Final answer
    x = 66,864.01

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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.