Home / 78,317.90-108,029.54-46,464.26

Finding the Fourth Proportional to 78,317.90, 108,029.54 and 46,464.26

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Solution

The fourth proportional to 78,317.90, 108,029.54 and 46,464.26 is: 64,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,317.90 : 108,029.54 = 46,464.26 : x
  2. Step 2: Convert to fraction form
    78,317.90/108,029.54 = 46,464.26/x
  3. Step 3: Cross multiply
    78,317.90x = 108,029.54 × 46,464.26
  4. Step 4: Simplify right side
    78,317.90x = 5,019,512,634.24
  5. Step 5: Solve for x
    x = 5,019,512,634.24/78,317.90
  6. Step 6: Final answer
    x = 64,091.51

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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.