Home / 80,118.32-110,526.48-51,833.12

Finding the Fourth Proportional to 80,118.32, 110,526.48 and 51,833.12

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Solution

The fourth proportional to 80,118.32, 110,526.48 and 51,833.12 is: 71,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,118.32 : 110,526.48 = 51,833.12 : x
  2. Step 2: Convert to fraction form
    80,118.32/110,526.48 = 51,833.12/x
  3. Step 3: Cross multiply
    80,118.32x = 110,526.48 × 51,833.12
  4. Step 4: Simplify right side
    80,118.32x = 5,728,932,301.02
  5. Step 5: Solve for x
    x = 5,728,932,301.02/80,118.32
  6. Step 6: Final answer
    x = 71,505.90

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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.