Home / 75,702.88-104,469.98-43,890.24

Finding the Fourth Proportional to 75,702.88, 104,469.98 and 43,890.24

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Solution

The fourth proportional to 75,702.88, 104,469.98 and 43,890.24 is: 60,568.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,702.88 : 104,469.98 = 43,890.24 : x
  2. Step 2: Convert to fraction form
    75,702.88/104,469.98 = 43,890.24/x
  3. Step 3: Cross multiply
    75,702.88x = 104,469.98 × 43,890.24
  4. Step 4: Simplify right side
    75,702.88x = 4,585,212,495.00
  5. Step 5: Solve for x
    x = 4,585,212,495.00/75,702.88
  6. Step 6: Final answer
    x = 60,568.53

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1.5x scale

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.