Home / 80,317.77-110,841.38-48,480.45

Finding the Fourth Proportional to 80,317.77, 110,841.38 and 48,480.45

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Solution

The fourth proportional to 80,317.77, 110,841.38 and 48,480.45 is: 66,904.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,317.77 : 110,841.38 = 48,480.45 : x
  2. Step 2: Convert to fraction form
    80,317.77/110,841.38 = 48,480.45/x
  3. Step 3: Cross multiply
    80,317.77x = 110,841.38 × 48,480.45
  4. Step 4: Simplify right side
    80,317.77x = 5,373,639,981.02
  5. Step 5: Solve for x
    x = 5,373,639,981.02/80,317.77
  6. Step 6: Final answer
    x = 66,904.75

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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.