Home / 45,577.08-68,365.22-15,987.98

Finding the Fourth Proportional to 45,577.08, 68,365.22 and 15,987.98

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Solution

The fourth proportional to 45,577.08, 68,365.22 and 15,987.98 is: 23,981.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,577.08 : 68,365.22 = 15,987.98 : x
  2. Step 2: Convert to fraction form
    45,577.08/68,365.22 = 15,987.98/x
  3. Step 3: Cross multiply
    45,577.08x = 68,365.22 × 15,987.98
  4. Step 4: Simplify right side
    45,577.08x = 1,093,021,861.03
  5. Step 5: Solve for x
    x = 1,093,021,861.03/45,577.08
  6. Step 6: Final answer
    x = 23,981.83

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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.