Home / 115,922.48-159,997.92-70,615.40

Finding the Fourth Proportional to 115,922.48, 159,997.92 and 70,615.40

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Solution

The fourth proportional to 115,922.48, 159,997.92 and 70,615.40 is: 97,464.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,922.48 : 159,997.92 = 70,615.40 : x
  2. Step 2: Convert to fraction form
    115,922.48/159,997.92 = 70,615.40/x
  3. Step 3: Cross multiply
    115,922.48x = 159,997.92 × 70,615.40
  4. Step 4: Simplify right side
    115,922.48x = 11,298,317,119.97
  5. Step 5: Solve for x
    x = 11,298,317,119.97/115,922.48
  6. Step 6: Final answer
    x = 97,464.42

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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.