Home / 75,399.94-104,060.24-43,137.55

Finding the Fourth Proportional to 75,399.94, 104,060.24 and 43,137.55

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Solution

The fourth proportional to 75,399.94, 104,060.24 and 43,137.55 is: 59,534.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,399.94 : 104,060.24 = 43,137.55 : x
  2. Step 2: Convert to fraction form
    75,399.94/104,060.24 = 43,137.55/x
  3. Step 3: Cross multiply
    75,399.94x = 104,060.24 × 43,137.55
  4. Step 4: Simplify right side
    75,399.94x = 4,488,903,806.01
  5. Step 5: Solve for x
    x = 4,488,903,806.01/75,399.94
  6. Step 6: Final answer
    x = 59,534.58

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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.