Home / 66,441.12-99,641.16-22,059.06

Finding the Fourth Proportional to 66,441.12, 99,641.16 and 22,059.06

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Solution

The fourth proportional to 66,441.12, 99,641.16 and 22,059.06 is: 33,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,441.12 : 99,641.16 = 22,059.06 : x
  2. Step 2: Convert to fraction form
    66,441.12/99,641.16 = 22,059.06/x
  3. Step 3: Cross multiply
    66,441.12x = 99,641.16 × 22,059.06
  4. Step 4: Simplify right side
    66,441.12x = 2,197,990,326.91
  5. Step 5: Solve for x
    x = 2,197,990,326.91/66,441.12
  6. Step 6: Final answer
    x = 33,081.78

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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.