Home / 104,656.89-144,375.75-62,185.35

Finding the Fourth Proportional to 104,656.89, 144,375.75 and 62,185.35

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Solution

The fourth proportional to 104,656.89, 144,375.75 and 62,185.35 is: 85,785.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,656.89 : 144,375.75 = 62,185.35 : x
  2. Step 2: Convert to fraction form
    104,656.89/144,375.75 = 62,185.35/x
  3. Step 3: Cross multiply
    104,656.89x = 144,375.75 × 62,185.35
  4. Step 4: Simplify right side
    104,656.89x = 8,978,056,545.26
  5. Step 5: Solve for x
    x = 8,978,056,545.26/104,656.89
  6. Step 6: Final answer
    x = 85,785.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.