Home / 71,523.08-107,303.98-21,604.80

Finding the Fourth Proportional to 71,523.08, 107,303.98 and 21,604.80

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Solution

The fourth proportional to 71,523.08, 107,303.98 and 21,604.80 is: 32,413.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,523.08 : 107,303.98 = 21,604.80 : x
  2. Step 2: Convert to fraction form
    71,523.08/107,303.98 = 21,604.80/x
  3. Step 3: Cross multiply
    71,523.08x = 107,303.98 × 21,604.80
  4. Step 4: Simplify right side
    71,523.08x = 2,318,281,027.10
  5. Step 5: Solve for x
    x = 2,318,281,027.10/71,523.08
  6. Step 6: Final answer
    x = 32,413.05

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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.