Home / 80,464.42-120,603.75-59,086.90

Finding the Fourth Proportional to 80,464.42, 120,603.75 and 59,086.90

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Solution

The fourth proportional to 80,464.42, 120,603.75 and 59,086.90 is: 88,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,464.42 : 120,603.75 = 59,086.90 : x
  2. Step 2: Convert to fraction form
    80,464.42/120,603.75 = 59,086.90/x
  3. Step 3: Cross multiply
    80,464.42x = 120,603.75 × 59,086.90
  4. Step 4: Simplify right side
    80,464.42x = 7,126,101,715.88
  5. Step 5: Solve for x
    x = 7,126,101,715.88/80,464.42
  6. Step 6: Final answer
    x = 88,562.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.