Home / 91,110.74-125,694.06-57,096.08

Finding the Fourth Proportional to 91,110.74, 125,694.06 and 57,096.08

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Solution

The fourth proportional to 91,110.74, 125,694.06 and 57,096.08 is: 78,768.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,110.74 : 125,694.06 = 57,096.08 : x
  2. Step 2: Convert to fraction form
    91,110.74/125,694.06 = 57,096.08/x
  3. Step 3: Cross multiply
    91,110.74x = 125,694.06 × 57,096.08
  4. Step 4: Simplify right side
    91,110.74x = 7,176,638,105.28
  5. Step 5: Solve for x
    x = 7,176,638,105.28/91,110.74
  6. Step 6: Final answer
    x = 78,768.30

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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.