Home / 70,917.08-97,865.25-39,085.97

Finding the Fourth Proportional to 70,917.08, 97,865.25 and 39,085.97

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Solution

The fourth proportional to 70,917.08, 97,865.25 and 39,085.97 is: 53,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,917.08 : 97,865.25 = 39,085.97 : x
  2. Step 2: Convert to fraction form
    70,917.08/97,865.25 = 39,085.97/x
  3. Step 3: Cross multiply
    70,917.08x = 97,865.25 × 39,085.97
  4. Step 4: Simplify right side
    70,917.08x = 3,825,157,736.22
  5. Step 5: Solve for x
    x = 3,825,157,736.22/70,917.08
  6. Step 6: Final answer
    x = 53,938.46

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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.