Home / 66,230.06-99,345.30-16,311.32

Finding the Fourth Proportional to 66,230.06, 99,345.30 and 16,311.32

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Solution

The fourth proportional to 66,230.06, 99,345.30 and 16,311.32 is: 24,467.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,230.06 : 99,345.30 = 16,311.32 : x
  2. Step 2: Convert to fraction form
    66,230.06/99,345.30 = 16,311.32/x
  3. Step 3: Cross multiply
    66,230.06x = 99,345.30 × 16,311.32
  4. Step 4: Simplify right side
    66,230.06x = 1,620,452,978.80
  5. Step 5: Solve for x
    x = 1,620,452,978.80/66,230.06
  6. Step 6: Final answer
    x = 24,467.03

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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.