Home / 78,004.42-116,994.39-25,413.46

Finding the Fourth Proportional to 78,004.42, 116,994.39 and 25,413.46

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Solution

The fourth proportional to 78,004.42, 116,994.39 and 25,413.46 is: 38,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,004.42 : 116,994.39 = 25,413.46 : x
  2. Step 2: Convert to fraction form
    78,004.42/116,994.39 = 25,413.46/x
  3. Step 3: Cross multiply
    78,004.42x = 116,994.39 × 25,413.46
  4. Step 4: Simplify right side
    78,004.42x = 2,973,232,250.49
  5. Step 5: Solve for x
    x = 2,973,232,250.49/78,004.42
  6. Step 6: Final answer
    x = 38,116.20

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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.