Home / 71,413.40-107,134.12-26,435.15

Finding the Fourth Proportional to 71,413.40, 107,134.12 and 26,435.15

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Solution

The fourth proportional to 71,413.40, 107,134.12 and 26,435.15 is: 39,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,413.40 : 107,134.12 = 26,435.15 : x
  2. Step 2: Convert to fraction form
    71,413.40/107,134.12 = 26,435.15/x
  3. Step 3: Cross multiply
    71,413.40x = 107,134.12 × 26,435.15
  4. Step 4: Simplify right side
    71,413.40x = 2,832,106,684.50
  5. Step 5: Solve for x
    x = 2,832,106,684.50/71,413.40
  6. Step 6: Final answer
    x = 39,657.92

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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.