Home / 98,544.18-135,975.33-56,103.54

Finding the Fourth Proportional to 98,544.18, 135,975.33 and 56,103.54

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Solution

The fourth proportional to 98,544.18, 135,975.33 and 56,103.54 is: 77,413.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,544.18 : 135,975.33 = 56,103.54 : x
  2. Step 2: Convert to fraction form
    98,544.18/135,975.33 = 56,103.54/x
  3. Step 3: Cross multiply
    98,544.18x = 135,975.33 × 56,103.54
  4. Step 4: Simplify right side
    98,544.18x = 7,628,697,365.67
  5. Step 5: Solve for x
    x = 7,628,697,365.67/98,544.18
  6. Step 6: Final answer
    x = 77,413.98

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1.5x scale

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.