Home / 78,452.16-117,770.40-48,937.92

Finding the Fourth Proportional to 78,452.16, 117,770.40 and 48,937.92

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Solution

The fourth proportional to 78,452.16, 117,770.40 and 48,937.92 is: 73,464.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,452.16 : 117,770.40 = 48,937.92 : x
  2. Step 2: Convert to fraction form
    78,452.16/117,770.40 = 48,937.92/x
  3. Step 3: Cross multiply
    78,452.16x = 117,770.40 × 48,937.92
  4. Step 4: Simplify right side
    78,452.16x = 5,763,438,413.57
  5. Step 5: Solve for x
    x = 5,763,438,413.57/78,452.16
  6. Step 6: Final answer
    x = 73,464.37

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1.5x scale

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.