Home / 75,750.26-104,538.93-42,216.50

Finding the Fourth Proportional to 75,750.26, 104,538.93 and 42,216.50

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Solution

The fourth proportional to 75,750.26, 104,538.93 and 42,216.50 is: 58,260.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,750.26 : 104,538.93 = 42,216.50 : x
  2. Step 2: Convert to fraction form
    75,750.26/104,538.93 = 42,216.50/x
  3. Step 3: Cross multiply
    75,750.26x = 104,538.93 × 42,216.50
  4. Step 4: Simplify right side
    75,750.26x = 4,413,267,738.35
  5. Step 5: Solve for x
    x = 4,413,267,738.35/75,750.26
  6. Step 6: Final answer
    x = 58,260.76

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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.