Home / 80,559.63-111,172.10-44,749.53

Finding the Fourth Proportional to 80,559.63, 111,172.10 and 44,749.53

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Solution

The fourth proportional to 80,559.63, 111,172.10 and 44,749.53 is: 61,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559.63 : 111,172.10 = 44,749.53 : x
  2. Step 2: Convert to fraction form
    80,559.63/111,172.10 = 44,749.53/x
  3. Step 3: Cross multiply
    80,559.63x = 111,172.10 × 44,749.53
  4. Step 4: Simplify right side
    80,559.63x = 4,974,899,000.37
  5. Step 5: Solve for x
    x = 4,974,899,000.37/80,559.63
  6. Step 6: Final answer
    x = 61,754.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.