Home / 115,657.89-173,467.53-40,760.43

Finding the Fourth Proportional to 115,657.89, 173,467.53 and 40,760.43

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Solution

The fourth proportional to 115,657.89, 173,467.53 and 40,760.43 is: 61,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,657.89 : 173,467.53 = 40,760.43 : x
  2. Step 2: Convert to fraction form
    115,657.89/173,467.53 = 40,760.43/x
  3. Step 3: Cross multiply
    115,657.89x = 173,467.53 × 40,760.43
  4. Step 4: Simplify right side
    115,657.89x = 7,070,611,113.84
  5. Step 5: Solve for x
    x = 7,070,611,113.84/115,657.89
  6. Step 6: Final answer
    x = 61,133.84

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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.