Home / 77,629.14-116,443.71-61,973.46

Finding the Fourth Proportional to 77,629.14, 116,443.71 and 61,973.46

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Solution

The fourth proportional to 77,629.14, 116,443.71 and 61,973.46 is: 92,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,629.14 : 116,443.71 = 61,973.46 : x
  2. Step 2: Convert to fraction form
    77,629.14/116,443.71 = 61,973.46/x
  3. Step 3: Cross multiply
    77,629.14x = 116,443.71 × 61,973.46
  4. Step 4: Simplify right side
    77,629.14x = 7,216,419,603.94
  5. Step 5: Solve for x
    x = 7,216,419,603.94/77,629.14
  6. Step 6: Final answer
    x = 92,960.19

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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.