Home / 116,928.09-161,362.24-70,974.45

Finding the Fourth Proportional to 116,928.09, 161,362.24 and 70,974.45

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Solution

The fourth proportional to 116,928.09, 161,362.24 and 70,974.45 is: 97,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,928.09 : 161,362.24 = 70,974.45 : x
  2. Step 2: Convert to fraction form
    116,928.09/161,362.24 = 70,974.45/x
  3. Step 3: Cross multiply
    116,928.09x = 161,362.24 × 70,974.45
  4. Step 4: Simplify right side
    116,928.09x = 11,452,596,057.33
  5. Step 5: Solve for x
    x = 11,452,596,057.33/116,928.09
  6. Step 6: Final answer
    x = 97,945.64

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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.