Home / 86,450.94-129,710.97-31,051.26

Finding the Fourth Proportional to 86,450.94, 129,710.97 and 31,051.26

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Solution

The fourth proportional to 86,450.94, 129,710.97 and 31,051.26 is: 46,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,450.94 : 129,710.97 = 31,051.26 : x
  2. Step 2: Convert to fraction form
    86,450.94/129,710.97 = 31,051.26/x
  3. Step 3: Cross multiply
    86,450.94x = 129,710.97 × 31,051.26
  4. Step 4: Simplify right side
    86,450.94x = 4,027,689,054.32
  5. Step 5: Solve for x
    x = 4,027,689,054.32/86,450.94
  6. Step 6: Final answer
    x = 46,589.30

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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.