Home / 91,301.96-125,997.32-51,017.42

Finding the Fourth Proportional to 91,301.96, 125,997.32 and 51,017.42

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Solution

The fourth proportional to 91,301.96, 125,997.32 and 51,017.42 is: 70,404.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,301.96 : 125,997.32 = 51,017.42 : x
  2. Step 2: Convert to fraction form
    91,301.96/125,997.32 = 51,017.42/x
  3. Step 3: Cross multiply
    91,301.96x = 125,997.32 × 51,017.42
  4. Step 4: Simplify right side
    91,301.96x = 6,428,057,308.24
  5. Step 5: Solve for x
    x = 6,428,057,308.24/91,301.96
  6. Step 6: Final answer
    x = 70,404.38

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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.