Home / 80,467.02-111,028.32-48,637.71

Finding the Fourth Proportional to 80,467.02, 111,028.32 and 48,637.71

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Solution

The fourth proportional to 80,467.02, 111,028.32 and 48,637.71 is: 67,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,467.02 : 111,028.32 = 48,637.71 : x
  2. Step 2: Convert to fraction form
    80,467.02/111,028.32 = 48,637.71/x
  3. Step 3: Cross multiply
    80,467.02x = 111,028.32 × 48,637.71
  4. Step 4: Simplify right side
    80,467.02x = 5,400,163,229.95
  5. Step 5: Solve for x
    x = 5,400,163,229.95/80,467.02
  6. Step 6: Final answer
    x = 67,110.27

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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.