Home / 104,130.06-156,069.89-47,892.67

Finding the Fourth Proportional to 104,130.06, 156,069.89 and 47,892.67

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Solution

The fourth proportional to 104,130.06, 156,069.89 and 47,892.67 is: 71,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,130.06 : 156,069.89 = 47,892.67 : x
  2. Step 2: Convert to fraction form
    104,130.06/156,069.89 = 47,892.67/x
  3. Step 3: Cross multiply
    104,130.06x = 156,069.89 × 47,892.67
  4. Step 4: Simplify right side
    104,130.06x = 7,474,603,288.67
  5. Step 5: Solve for x
    x = 7,474,603,288.67/104,130.06
  6. Step 6: Final answer
    x = 71,781.42

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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.