Home / 103,626.40-155,362.80-44,413.60

Finding the Fourth Proportional to 103,626.40, 155,362.80 and 44,413.60

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Solution

The fourth proportional to 103,626.40, 155,362.80 and 44,413.60 is: 66,587.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626.40 : 155,362.80 = 44,413.60 : x
  2. Step 2: Convert to fraction form
    103,626.40/155,362.80 = 44,413.60/x
  3. Step 3: Cross multiply
    103,626.40x = 155,362.80 × 44,413.60
  4. Step 4: Simplify right side
    103,626.40x = 6,900,221,254.08
  5. Step 5: Solve for x
    x = 6,900,221,254.08/103,626.40
  6. Step 6: Final answer
    x = 66,587.48

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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.