Home / 85,360.46-117,797.43-47,120.01

Finding the Fourth Proportional to 85,360.46, 117,797.43 and 47,120.01

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Solution

The fourth proportional to 85,360.46, 117,797.43 and 47,120.01 is: 65,025.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,360.46 : 117,797.43 = 47,120.01 : x
  2. Step 2: Convert to fraction form
    85,360.46/117,797.43 = 47,120.01/x
  3. Step 3: Cross multiply
    85,360.46x = 117,797.43 × 47,120.01
  4. Step 4: Simplify right side
    85,360.46x = 5,550,616,079.57
  5. Step 5: Solve for x
    x = 5,550,616,079.57/85,360.46
  6. Step 6: Final answer
    x = 65,025.61

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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.