Home / 115,611.80-173,415.26-53,282.32

Finding the Fourth Proportional to 115,611.80, 173,415.26 and 53,282.32

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Solution

The fourth proportional to 115,611.80, 173,415.26 and 53,282.32 is: 79,922.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,611.80 : 173,415.26 = 53,282.32 : x
  2. Step 2: Convert to fraction form
    115,611.80/173,415.26 = 53,282.32/x
  3. Step 3: Cross multiply
    115,611.80x = 173,415.26 × 53,282.32
  4. Step 4: Simplify right side
    115,611.80x = 9,239,967,376.20
  5. Step 5: Solve for x
    x = 9,239,967,376.20/115,611.80
  6. Step 6: Final answer
    x = 79,922.36

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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.