Home / 78,884.06-118,360.77-41,435.43

Finding the Fourth Proportional to 78,884.06, 118,360.77 and 41,435.43

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Solution

The fourth proportional to 78,884.06, 118,360.77 and 41,435.43 is: 62,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,884.06 : 118,360.77 = 41,435.43 : x
  2. Step 2: Convert to fraction form
    78,884.06/118,360.77 = 41,435.43/x
  3. Step 3: Cross multiply
    78,884.06x = 118,360.77 × 41,435.43
  4. Step 4: Simplify right side
    78,884.06x = 4,904,329,400.08
  5. Step 5: Solve for x
    x = 4,904,329,400.08/78,884.06
  6. Step 6: Final answer
    x = 62,171.37

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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.