Home / 66,336.45-91,388.57-46,158.68

Finding the Fourth Proportional to 66,336.45, 91,388.57 and 46,158.68

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Solution

The fourth proportional to 66,336.45, 91,388.57 and 46,158.68 is: 63,590.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.45 : 91,388.57 = 46,158.68 : x
  2. Step 2: Convert to fraction form
    66,336.45/91,388.57 = 46,158.68/x
  3. Step 3: Cross multiply
    66,336.45x = 91,388.57 × 46,158.68
  4. Step 4: Simplify right side
    66,336.45x = 4,218,375,070.55
  5. Step 5: Solve for x
    x = 4,218,375,070.55/66,336.45
  6. Step 6: Final answer
    x = 63,590.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.