Home / 75,533.69-104,237.19-41,078.75

Finding the Fourth Proportional to 75,533.69, 104,237.19 and 41,078.75

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Solution

The fourth proportional to 75,533.69, 104,237.19 and 41,078.75 is: 56,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,533.69 : 104,237.19 = 41,078.75 : x
  2. Step 2: Convert to fraction form
    75,533.69/104,237.19 = 41,078.75/x
  3. Step 3: Cross multiply
    75,533.69x = 104,237.19 × 41,078.75
  4. Step 4: Simplify right side
    75,533.69x = 4,281,932,947.53
  5. Step 5: Solve for x
    x = 4,281,932,947.53/75,533.69
  6. Step 6: Final answer
    x = 56,689.05

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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.