Home / 77,729.84-116,625.72-31,015.52

Finding the Fourth Proportional to 77,729.84, 116,625.72 and 31,015.52

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Solution

The fourth proportional to 77,729.84, 116,625.72 and 31,015.52 is: 46,535.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,729.84 : 116,625.72 = 31,015.52 : x
  2. Step 2: Convert to fraction form
    77,729.84/116,625.72 = 31,015.52/x
  3. Step 3: Cross multiply
    77,729.84x = 116,625.72 × 31,015.52
  4. Step 4: Simplify right side
    77,729.84x = 3,617,207,351.17
  5. Step 5: Solve for x
    x = 3,617,207,351.17/77,729.84
  6. Step 6: Final answer
    x = 46,535.63

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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.