Home / 78,708.08-118,096.97-41,259.25

Finding the Fourth Proportional to 78,708.08, 118,096.97 and 41,259.25

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Solution

The fourth proportional to 78,708.08, 118,096.97 and 41,259.25 is: 61,907.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,708.08 : 118,096.97 = 41,259.25 : x
  2. Step 2: Convert to fraction form
    78,708.08/118,096.97 = 41,259.25/x
  3. Step 3: Cross multiply
    78,708.08x = 118,096.97 × 41,259.25
  4. Step 4: Simplify right side
    78,708.08x = 4,872,591,907.93
  5. Step 5: Solve for x
    x = 4,872,591,907.93/78,708.08
  6. Step 6: Final answer
    x = 61,907.14

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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.