Home / 75,612.30-113,418.45-23,021.70

Finding the Fourth Proportional to 75,612.30, 113,418.45 and 23,021.70

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Solution

The fourth proportional to 75,612.30, 113,418.45 and 23,021.70 is: 34,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,612.30 : 113,418.45 = 23,021.70 : x
  2. Step 2: Convert to fraction form
    75,612.30/113,418.45 = 23,021.70/x
  3. Step 3: Cross multiply
    75,612.30x = 113,418.45 × 23,021.70
  4. Step 4: Simplify right side
    75,612.30x = 2,611,085,530.37
  5. Step 5: Solve for x
    x = 2,611,085,530.37/75,612.30
  6. Step 6: Final answer
    x = 34,532.55

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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.