Home / 75,875.85-104,712.18-43,620.94

Finding the Fourth Proportional to 75,875.85, 104,712.18 and 43,620.94

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Solution

The fourth proportional to 75,875.85, 104,712.18 and 43,620.94 is: 60,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,875.85 : 104,712.18 = 43,620.94 : x
  2. Step 2: Convert to fraction form
    75,875.85/104,712.18 = 43,620.94/x
  3. Step 3: Cross multiply
    75,875.85x = 104,712.18 × 43,620.94
  4. Step 4: Simplify right side
    75,875.85x = 4,567,643,688.36
  5. Step 5: Solve for x
    x = 4,567,643,688.36/75,875.85
  6. Step 6: Final answer
    x = 60,198.91

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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.