Home / 80,390.10-110,938.64-44,583.42

Finding the Fourth Proportional to 80,390.10, 110,938.64 and 44,583.42

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Solution

The fourth proportional to 80,390.10, 110,938.64 and 44,583.42 is: 61,525.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,390.10 : 110,938.64 = 44,583.42 : x
  2. Step 2: Convert to fraction form
    80,390.10/110,938.64 = 44,583.42/x
  3. Step 3: Cross multiply
    80,390.10x = 110,938.64 × 44,583.42
  4. Step 4: Simplify right side
    80,390.10x = 4,946,023,758.43
  5. Step 5: Solve for x
    x = 4,946,023,758.43/80,390.10
  6. Step 6: Final answer
    x = 61,525.28

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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.