Home / 75,782.77-104,577.81-41,792.68

Finding the Fourth Proportional to 75,782.77, 104,577.81 and 41,792.68

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Solution

The fourth proportional to 75,782.77, 104,577.81 and 41,792.68 is: 57,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,782.77 : 104,577.81 = 41,792.68 : x
  2. Step 2: Convert to fraction form
    75,782.77/104,577.81 = 41,792.68/x
  3. Step 3: Cross multiply
    75,782.77x = 104,577.81 × 41,792.68
  4. Step 4: Simplify right side
    75,782.77x = 4,370,586,948.43
  5. Step 5: Solve for x
    x = 4,370,586,948.43/75,782.77
  6. Step 6: Final answer
    x = 57,672.57

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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.