Home / 115,731.41-173,611.08-40,836.17

Finding the Fourth Proportional to 115,731.41, 173,611.08 and 40,836.17

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Solution

The fourth proportional to 115,731.41, 173,611.08 and 40,836.17 is: 61,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,731.41 : 173,611.08 = 40,836.17 : x
  2. Step 2: Convert to fraction form
    115,731.41/173,611.08 = 40,836.17/x
  3. Step 3: Cross multiply
    115,731.41x = 173,611.08 × 40,836.17
  4. Step 4: Simplify right side
    115,731.41x = 7,089,612,010.79
  5. Step 5: Solve for x
    x = 7,089,612,010.79/115,731.41
  6. Step 6: Final answer
    x = 61,259.19

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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.