Home / 80,242.10-110,732.75-44,431.34

Finding the Fourth Proportional to 80,242.10, 110,732.75 and 44,431.34

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Solution

The fourth proportional to 80,242.10, 110,732.75 and 44,431.34 is: 61,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,242.10 : 110,732.75 = 44,431.34 : x
  2. Step 2: Convert to fraction form
    80,242.10/110,732.75 = 44,431.34/x
  3. Step 3: Cross multiply
    80,242.10x = 110,732.75 × 44,431.34
  4. Step 4: Simplify right side
    80,242.10x = 4,920,004,519.06
  5. Step 5: Solve for x
    x = 4,920,004,519.06/80,242.10
  6. Step 6: Final answer
    x = 61,314.50

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1.5x scale

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.