Home / 78,837.44-108,792.96-46,989.92

Finding the Fourth Proportional to 78,837.44, 108,792.96 and 46,989.92

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Solution

The fourth proportional to 78,837.44, 108,792.96 and 46,989.92 is: 64,844.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,837.44 : 108,792.96 = 46,989.92 : x
  2. Step 2: Convert to fraction form
    78,837.44/108,792.96 = 46,989.92/x
  3. Step 3: Cross multiply
    78,837.44x = 108,792.96 × 46,989.92
  4. Step 4: Simplify right side
    78,837.44x = 5,112,172,486.96
  5. Step 5: Solve for x
    x = 5,112,172,486.96/78,837.44
  6. Step 6: Final answer
    x = 64,844.48

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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.