Home / 52,004.06-78,005.87-12,561.06

Finding the Fourth Proportional to 52,004.06, 78,005.87 and 12,561.06

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Solution

The fourth proportional to 52,004.06, 78,005.87 and 12,561.06 is: 18,841.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,004.06 : 78,005.87 = 12,561.06 : x
  2. Step 2: Convert to fraction form
    52,004.06/78,005.87 = 12,561.06/x
  3. Step 3: Cross multiply
    52,004.06x = 78,005.87 × 12,561.06
  4. Step 4: Simplify right side
    52,004.06x = 979,836,413.42
  5. Step 5: Solve for x
    x = 979,836,413.42/52,004.06
  6. Step 6: Final answer
    x = 18,841.54

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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.