Home / 44,109.30-66,126.75-19,130.53

Finding the Fourth Proportional to 44,109.30, 66,126.75 and 19,130.53

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Solution

The fourth proportional to 44,109.30, 66,126.75 and 19,130.53 is: 28,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,109.30 : 66,126.75 = 19,130.53 : x
  2. Step 2: Convert to fraction form
    44,109.30/66,126.75 = 19,130.53/x
  3. Step 3: Cross multiply
    44,109.30x = 66,126.75 × 19,130.53
  4. Step 4: Simplify right side
    44,109.30x = 1,265,039,893.21
  5. Step 5: Solve for x
    x = 1,265,039,893.21/44,109.30
  6. Step 6: Final answer
    x = 28,679.67

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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.