Home / 91,065.63-125,735.30-75,997.23

Finding the Fourth Proportional to 91,065.63, 125,735.30 and 75,997.23

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Solution

The fourth proportional to 91,065.63, 125,735.30 and 75,997.23 is: 104,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065.63 : 125,735.30 = 75,997.23 : x
  2. Step 2: Convert to fraction form
    91,065.63/125,735.30 = 75,997.23/x
  3. Step 3: Cross multiply
    91,065.63x = 125,735.30 × 75,997.23
  4. Step 4: Simplify right side
    91,065.63x = 9,555,534,133.23
  5. Step 5: Solve for x
    x = 9,555,534,133.23/91,065.63
  6. Step 6: Final answer
    x = 104,930.19

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1.5x scale

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.