Home / 70,853.92-97,782.83-39,022.81

Finding the Fourth Proportional to 70,853.92, 97,782.83 and 39,022.81

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Solution

The fourth proportional to 70,853.92, 97,782.83 and 39,022.81 is: 53,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,853.92 : 97,782.83 = 39,022.81 : x
  2. Step 2: Convert to fraction form
    70,853.92/97,782.83 = 39,022.81/x
  3. Step 3: Cross multiply
    70,853.92x = 97,782.83 × 39,022.81
  4. Step 4: Simplify right side
    70,853.92x = 3,815,760,112.32
  5. Step 5: Solve for x
    x = 3,815,760,112.32/70,853.92
  6. Step 6: Final answer
    x = 53,853.91

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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.