Home / 115,767.44-159,733.32-70,469

Finding the Fourth Proportional to 115,767.44, 159,733.32 and 70,469

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Solution

The fourth proportional to 115,767.44, 159,733.32 and 70,469 is: 97,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,767.44 : 159,733.32 = 70,469 : x
  2. Step 2: Convert to fraction form
    115,767.44/159,733.32 = 70,469/x
  3. Step 3: Cross multiply
    115,767.44x = 159,733.32 × 70,469
  4. Step 4: Simplify right side
    115,767.44x = 11,256,247,327.08
  5. Step 5: Solve for x
    x = 11,256,247,327.08/115,767.44
  6. Step 6: Final answer
    x = 97,231.55

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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.