Home / 52,212.36-78,219.90-40,468.08

Finding the Fourth Proportional to 52,212.36, 78,219.90 and 40,468.08

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Solution

The fourth proportional to 52,212.36, 78,219.90 and 40,468.08 is: 60,625.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,212.36 : 78,219.90 = 40,468.08 : x
  2. Step 2: Convert to fraction form
    52,212.36/78,219.90 = 40,468.08/x
  3. Step 3: Cross multiply
    52,212.36x = 78,219.90 × 40,468.08
  4. Step 4: Simplify right side
    52,212.36x = 3,165,409,170.79
  5. Step 5: Solve for x
    x = 3,165,409,170.79/52,212.36
  6. Step 6: Final answer
    x = 60,625.67

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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.