Home / 92,906.04-128,182.86-55,183.80

Finding the Fourth Proportional to 92,906.04, 128,182.86 and 55,183.80

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Solution

The fourth proportional to 92,906.04, 128,182.86 and 55,183.80 is: 76,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,906.04 : 128,182.86 = 55,183.80 : x
  2. Step 2: Convert to fraction form
    92,906.04/128,182.86 = 55,183.80/x
  3. Step 3: Cross multiply
    92,906.04x = 128,182.86 × 55,183.80
  4. Step 4: Simplify right side
    92,906.04x = 7,073,617,309.67
  5. Step 5: Solve for x
    x = 7,073,617,309.67/92,906.04
  6. Step 6: Final answer
    x = 76,137.32

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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.