Home / 78,256.65-117,392.01-22,097.33

Finding the Fourth Proportional to 78,256.65, 117,392.01 and 22,097.33

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Solution

The fourth proportional to 78,256.65, 117,392.01 and 22,097.33 is: 33,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,256.65 : 117,392.01 = 22,097.33 : x
  2. Step 2: Convert to fraction form
    78,256.65/117,392.01 = 22,097.33/x
  3. Step 3: Cross multiply
    78,256.65x = 117,392.01 × 22,097.33
  4. Step 4: Simplify right side
    78,256.65x = 2,594,049,397.37
  5. Step 5: Solve for x
    x = 2,594,049,397.37/78,256.65
  6. Step 6: Final answer
    x = 33,147.97

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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.