Home / 115,918.48-159,958.74-70,591.48

Finding the Fourth Proportional to 115,918.48, 159,958.74 and 70,591.48

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Solution

The fourth proportional to 115,918.48, 159,958.74 and 70,591.48 is: 97,410.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,918.48 : 159,958.74 = 70,591.48 : x
  2. Step 2: Convert to fraction form
    115,918.48/159,958.74 = 70,591.48/x
  3. Step 3: Cross multiply
    115,918.48x = 159,958.74 × 70,591.48
  4. Step 4: Simplify right side
    115,918.48x = 11,291,724,195.54
  5. Step 5: Solve for x
    x = 11,291,724,195.54/115,918.48
  6. Step 6: Final answer
    x = 97,410.91

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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.