Home / 67,063.12-100,577.94-20,315.32

Finding the Fourth Proportional to 67,063.12, 100,577.94 and 20,315.32

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Solution

The fourth proportional to 67,063.12, 100,577.94 and 20,315.32 is: 30,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,063.12 : 100,577.94 = 20,315.32 : x
  2. Step 2: Convert to fraction form
    67,063.12/100,577.94 = 20,315.32/x
  3. Step 3: Cross multiply
    67,063.12x = 100,577.94 × 20,315.32
  4. Step 4: Simplify right side
    67,063.12x = 2,043,273,036.04
  5. Step 5: Solve for x
    x = 2,043,273,036.04/67,063.12
  6. Step 6: Final answer
    x = 30,467.91

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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.