Home / 72,764.04-100,413.46-40,933.16

Finding the Fourth Proportional to 72,764.04, 100,413.46 and 40,933.16

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Solution

The fourth proportional to 72,764.04, 100,413.46 and 40,933.16 is: 56,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,764.04 : 100,413.46 = 40,933.16 : x
  2. Step 2: Convert to fraction form
    72,764.04/100,413.46 = 40,933.16/x
  3. Step 3: Cross multiply
    72,764.04x = 100,413.46 × 40,933.16
  4. Step 4: Simplify right side
    72,764.04x = 4,110,240,224.33
  5. Step 5: Solve for x
    x = 4,110,240,224.33/72,764.04
  6. Step 6: Final answer
    x = 56,487.25

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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.