Home / 75,053.79-103,600.26-43,235.37

Finding the Fourth Proportional to 75,053.79, 103,600.26 and 43,235.37

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Solution

The fourth proportional to 75,053.79, 103,600.26 and 43,235.37 is: 59,679.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,053.79 : 103,600.26 = 43,235.37 : x
  2. Step 2: Convert to fraction form
    75,053.79/103,600.26 = 43,235.37/x
  3. Step 3: Cross multiply
    75,053.79x = 103,600.26 × 43,235.37
  4. Step 4: Simplify right side
    75,053.79x = 4,479,195,573.20
  5. Step 5: Solve for x
    x = 4,479,195,573.20/75,053.79
  6. Step 6: Final answer
    x = 59,679.81

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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.