Home / 78,460.98-117,716.06-25,907.37

Finding the Fourth Proportional to 78,460.98, 117,716.06 and 25,907.37

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Solution

The fourth proportional to 78,460.98, 117,716.06 and 25,907.37 is: 38,869.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,460.98 : 117,716.06 = 25,907.37 : x
  2. Step 2: Convert to fraction form
    78,460.98/117,716.06 = 25,907.37/x
  3. Step 3: Cross multiply
    78,460.98x = 117,716.06 × 25,907.37
  4. Step 4: Simplify right side
    78,460.98x = 3,049,713,521.36
  5. Step 5: Solve for x
    x = 3,049,713,521.36/78,460.98
  6. Step 6: Final answer
    x = 38,869.17

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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.