Home / 80,639.16-111,291.22-44,832.76

Finding the Fourth Proportional to 80,639.16, 111,291.22 and 44,832.76

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Solution

The fourth proportional to 80,639.16, 111,291.22 and 44,832.76 is: 61,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,639.16 : 111,291.22 = 44,832.76 : x
  2. Step 2: Convert to fraction form
    80,639.16/111,291.22 = 44,832.76/x
  3. Step 3: Cross multiply
    80,639.16x = 111,291.22 × 44,832.76
  4. Step 4: Simplify right side
    80,639.16x = 4,989,492,556.37
  5. Step 5: Solve for x
    x = 4,989,492,556.37/80,639.16
  6. Step 6: Final answer
    x = 61,874.31

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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.