Home / 111,675.12-167,438.63-40,589.32

Finding the Fourth Proportional to 111,675.12, 167,438.63 and 40,589.32

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Solution

The fourth proportional to 111,675.12, 167,438.63 and 40,589.32 is: 60,857.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,675.12 : 167,438.63 = 40,589.32 : x
  2. Step 2: Convert to fraction form
    111,675.12/167,438.63 = 40,589.32/x
  3. Step 3: Cross multiply
    111,675.12x = 167,438.63 × 40,589.32
  4. Step 4: Simplify right side
    111,675.12x = 6,796,220,234.90
  5. Step 5: Solve for x
    x = 6,796,220,234.90/111,675.12
  6. Step 6: Final answer
    x = 60,857.07

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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.