Home / 112,369.89-168,362.94-61,811.22

Finding the Fourth Proportional to 112,369.89, 168,362.94 and 61,811.22

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Solution

The fourth proportional to 112,369.89, 168,362.94 and 61,811.22 is: 92,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,369.89 : 168,362.94 = 61,811.22 : x
  2. Step 2: Convert to fraction form
    112,369.89/168,362.94 = 61,811.22/x
  3. Step 3: Cross multiply
    112,369.89x = 168,362.94 × 61,811.22
  4. Step 4: Simplify right side
    112,369.89x = 10,406,718,724.19
  5. Step 5: Solve for x
    x = 10,406,718,724.19/112,369.89
  6. Step 6: Final answer
    x = 92,611.27

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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.