Home / 127,413.60-175,805.16-73,679.04

Finding the Fourth Proportional to 127,413.60, 175,805.16 and 73,679.04

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Solution

The fourth proportional to 127,413.60, 175,805.16 and 73,679.04 is: 101,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,413.60 : 175,805.16 = 73,679.04 : x
  2. Step 2: Convert to fraction form
    127,413.60/175,805.16 = 73,679.04/x
  3. Step 3: Cross multiply
    127,413.60x = 175,805.16 × 73,679.04
  4. Step 4: Simplify right side
    127,413.60x = 12,953,155,415.85
  5. Step 5: Solve for x
    x = 12,953,155,415.85/127,413.60
  6. Step 6: Final answer
    x = 101,662.27

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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.