Home / 81,336.15-112,222.59-46,872.45

Finding the Fourth Proportional to 81,336.15, 112,222.59 and 46,872.45

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Solution

The fourth proportional to 81,336.15, 112,222.59 and 46,872.45 is: 64,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336.15 : 112,222.59 = 46,872.45 : x
  2. Step 2: Convert to fraction form
    81,336.15/112,222.59 = 46,872.45/x
  3. Step 3: Cross multiply
    81,336.15x = 112,222.59 × 46,872.45
  4. Step 4: Simplify right side
    81,336.15x = 5,260,147,738.65
  5. Step 5: Solve for x
    x = 5,260,147,738.65/81,336.15
  6. Step 6: Final answer
    x = 64,671.71

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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.