Home / 72,909.23-109,116.90-44,847.05

Finding the Fourth Proportional to 72,909.23, 109,116.90 and 44,847.05

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Solution

The fourth proportional to 72,909.23, 109,116.90 and 44,847.05 is: 67,118.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,909.23 : 109,116.90 = 44,847.05 : x
  2. Step 2: Convert to fraction form
    72,909.23/109,116.90 = 44,847.05/x
  3. Step 3: Cross multiply
    72,909.23x = 109,116.90 × 44,847.05
  4. Step 4: Simplify right side
    72,909.23x = 4,893,570,524.56
  5. Step 5: Solve for x
    x = 4,893,570,524.56/72,909.23
  6. Step 6: Final answer
    x = 67,118.67

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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.