Home / 47,400.78-65,413.12-26,180.04

Finding the Fourth Proportional to 47,400.78, 65,413.12 and 26,180.04

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Solution

The fourth proportional to 47,400.78, 65,413.12 and 26,180.04 is: 36,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.78 : 65,413.12 = 26,180.04 : x
  2. Step 2: Convert to fraction form
    47,400.78/65,413.12 = 26,180.04/x
  3. Step 3: Cross multiply
    47,400.78x = 65,413.12 × 26,180.04
  4. Step 4: Simplify right side
    47,400.78x = 1,712,518,098.12
  5. Step 5: Solve for x
    x = 1,712,518,098.12/47,400.78
  6. Step 6: Final answer
    x = 36,128.48

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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.