Home / 78,844.12-118,237.12-62,010.05

Finding the Fourth Proportional to 78,844.12, 118,237.12 and 62,010.05

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Solution

The fourth proportional to 78,844.12, 118,237.12 and 62,010.05 is: 92,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,844.12 : 118,237.12 = 62,010.05 : x
  2. Step 2: Convert to fraction form
    78,844.12/118,237.12 = 62,010.05/x
  3. Step 3: Cross multiply
    78,844.12x = 118,237.12 × 62,010.05
  4. Step 4: Simplify right side
    78,844.12x = 7,331,888,976.85
  5. Step 5: Solve for x
    x = 7,331,888,976.85/78,844.12
  6. Step 6: Final answer
    x = 92,992.21

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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.