Home / 77,629.73-116,361.54-40,152.07

Finding the Fourth Proportional to 77,629.73, 116,361.54 and 40,152.07

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Solution

The fourth proportional to 77,629.73, 116,361.54 and 40,152.07 is: 60,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,629.73 : 116,361.54 = 40,152.07 : x
  2. Step 2: Convert to fraction form
    77,629.73/116,361.54 = 40,152.07/x
  3. Step 3: Cross multiply
    77,629.73x = 116,361.54 × 40,152.07
  4. Step 4: Simplify right side
    77,629.73x = 4,672,156,699.39
  5. Step 5: Solve for x
    x = 4,672,156,699.39/77,629.73
  6. Step 6: Final answer
    x = 60,185.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.