Home / 78,718.92-118,043.48-22,546.22

Finding the Fourth Proportional to 78,718.92, 118,043.48 and 22,546.22

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Solution

The fourth proportional to 78,718.92, 118,043.48 and 22,546.22 is: 33,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,718.92 : 118,043.48 = 22,546.22 : x
  2. Step 2: Convert to fraction form
    78,718.92/118,043.48 = 22,546.22/x
  3. Step 3: Cross multiply
    78,718.92x = 118,043.48 × 22,546.22
  4. Step 4: Simplify right side
    78,718.92x = 2,661,434,269.65
  5. Step 5: Solve for x
    x = 2,661,434,269.65/78,718.92
  6. Step 6: Final answer
    x = 33,809.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.