Home / 66,523.05-99,784.58-61,079.85

Finding the Fourth Proportional to 66,523.05, 99,784.58 and 61,079.85

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Solution

The fourth proportional to 66,523.05, 99,784.58 and 61,079.85 is: 91,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,523.05 : 99,784.58 = 61,079.85 : x
  2. Step 2: Convert to fraction form
    66,523.05/99,784.58 = 61,079.85/x
  3. Step 3: Cross multiply
    66,523.05x = 99,784.58 × 61,079.85
  4. Step 4: Simplify right side
    66,523.05x = 6,094,826,873.31
  5. Step 5: Solve for x
    x = 6,094,826,873.31/66,523.05
  6. Step 6: Final answer
    x = 91,619.78

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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.