Home / 66,634.32-99,902.06-40,332.82

Finding the Fourth Proportional to 66,634.32, 99,902.06 and 40,332.82

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Solution

The fourth proportional to 66,634.32, 99,902.06 and 40,332.82 is: 60,469.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,634.32 : 99,902.06 = 40,332.82 : x
  2. Step 2: Convert to fraction form
    66,634.32/99,902.06 = 40,332.82/x
  3. Step 3: Cross multiply
    66,634.32x = 99,902.06 × 40,332.82
  4. Step 4: Simplify right side
    66,634.32x = 4,029,331,803.61
  5. Step 5: Solve for x
    x = 4,029,331,803.61/66,634.32
  6. Step 6: Final answer
    x = 60,469.32

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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.