Home / 55,413.20-83,119.80-32,012.30

Finding the Fourth Proportional to 55,413.20, 83,119.80 and 32,012.30

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Solution

The fourth proportional to 55,413.20, 83,119.80 and 32,012.30 is: 48,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.20 : 83,119.80 = 32,012.30 : x
  2. Step 2: Convert to fraction form
    55,413.20/83,119.80 = 32,012.30/x
  3. Step 3: Cross multiply
    55,413.20x = 83,119.80 × 32,012.30
  4. Step 4: Simplify right side
    55,413.20x = 2,660,855,973.54
  5. Step 5: Solve for x
    x = 2,660,855,973.54/55,413.20
  6. Step 6: Final answer
    x = 48,018.45

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1.5x scale

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.