Home / 80,697.02-111,441.74-66,497.54

Finding the Fourth Proportional to 80,697.02, 111,441.74 and 66,497.54

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Solution

The fourth proportional to 80,697.02, 111,441.74 and 66,497.54 is: 91,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,697.02 : 111,441.74 = 66,497.54 : x
  2. Step 2: Convert to fraction form
    80,697.02/111,441.74 = 66,497.54/x
  3. Step 3: Cross multiply
    80,697.02x = 111,441.74 × 66,497.54
  4. Step 4: Simplify right side
    80,697.02x = 7,410,600,673.62
  5. Step 5: Solve for x
    x = 7,410,600,673.62/80,697.02
  6. Step 6: Final answer
    x = 91,832.40

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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.