Home / 70,177.16-96,833.40-39,945.54

Finding the Fourth Proportional to 70,177.16, 96,833.40 and 39,945.54

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Solution

The fourth proportional to 70,177.16, 96,833.40 and 39,945.54 is: 55,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,177.16 : 96,833.40 = 39,945.54 : x
  2. Step 2: Convert to fraction form
    70,177.16/96,833.40 = 39,945.54/x
  3. Step 3: Cross multiply
    70,177.16x = 96,833.40 × 39,945.54
  4. Step 4: Simplify right side
    70,177.16x = 3,868,062,453.04
  5. Step 5: Solve for x
    x = 3,868,062,453.04/70,177.16
  6. Step 6: Final answer
    x = 55,118.54

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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.