Home / 102,690.24-154,054.80-32,589.60

Finding the Fourth Proportional to 102,690.24, 154,054.80 and 32,589.60

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Solution

The fourth proportional to 102,690.24, 154,054.80 and 32,589.60 is: 48,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,690.24 : 154,054.80 = 32,589.60 : x
  2. Step 2: Convert to fraction form
    102,690.24/154,054.80 = 32,589.60/x
  3. Step 3: Cross multiply
    102,690.24x = 154,054.80 × 32,589.60
  4. Step 4: Simplify right side
    102,690.24x = 5,020,584,310.08
  5. Step 5: Solve for x
    x = 5,020,584,310.08/102,690.24
  6. Step 6: Final answer
    x = 48,890.57

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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.