Home / 53,413.32-80,138.40-23,851.56

Finding the Fourth Proportional to 53,413.32, 80,138.40 and 23,851.56

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Solution

The fourth proportional to 53,413.32, 80,138.40 and 23,851.56 is: 35,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,413.32 : 80,138.40 = 23,851.56 : x
  2. Step 2: Convert to fraction form
    53,413.32/80,138.40 = 23,851.56/x
  3. Step 3: Cross multiply
    53,413.32x = 80,138.40 × 23,851.56
  4. Step 4: Simplify right side
    53,413.32x = 1,911,425,855.90
  5. Step 5: Solve for x
    x = 1,911,425,855.90/53,413.32
  6. Step 6: Final answer
    x = 35,785.57

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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.