Home / 80,873.64-111,597.75-45,060.30

Finding the Fourth Proportional to 80,873.64, 111,597.75 and 45,060.30

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Solution

The fourth proportional to 80,873.64, 111,597.75 and 45,060.30 is: 62,178.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873.64 : 111,597.75 = 45,060.30 : x
  2. Step 2: Convert to fraction form
    80,873.64/111,597.75 = 45,060.30/x
  3. Step 3: Cross multiply
    80,873.64x = 111,597.75 × 45,060.30
  4. Step 4: Simplify right side
    80,873.64x = 5,028,628,094.33
  5. Step 5: Solve for x
    x = 5,028,628,094.33/80,873.64
  6. Step 6: Final answer
    x = 62,178.83

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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.