Home / 115,705.80-173,551.41-36,876.60

Finding the Fourth Proportional to 115,705.80, 173,551.41 and 36,876.60

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Solution

The fourth proportional to 115,705.80, 173,551.41 and 36,876.60 is: 55,312.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,705.80 : 173,551.41 = 36,876.60 : x
  2. Step 2: Convert to fraction form
    115,705.80/173,551.41 = 36,876.60/x
  3. Step 3: Cross multiply
    115,705.80x = 173,551.41 × 36,876.60
  4. Step 4: Simplify right side
    115,705.80x = 6,399,985,926.01
  5. Step 5: Solve for x
    x = 6,399,985,926.01/115,705.80
  6. Step 6: Final answer
    x = 55,312.58

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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.