Home / 91,110.45-136,665.69-46,708.88

Finding the Fourth Proportional to 91,110.45, 136,665.69 and 46,708.88

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Solution

The fourth proportional to 91,110.45, 136,665.69 and 46,708.88 is: 70,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,110.45 : 136,665.69 = 46,708.88 : x
  2. Step 2: Convert to fraction form
    91,110.45/136,665.69 = 46,708.88/x
  3. Step 3: Cross multiply
    91,110.45x = 136,665.69 × 46,708.88
  4. Step 4: Simplify right side
    91,110.45x = 6,383,501,305.47
  5. Step 5: Solve for x
    x = 6,383,501,305.47/91,110.45
  6. Step 6: Final answer
    x = 70,063.33

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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.