Home / 69,768.37-96,273.06-39,547.68

Finding the Fourth Proportional to 69,768.37, 96,273.06 and 39,547.68

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Solution

The fourth proportional to 69,768.37, 96,273.06 and 39,547.68 is: 54,571.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,768.37 : 96,273.06 = 39,547.68 : x
  2. Step 2: Convert to fraction form
    69,768.37/96,273.06 = 39,547.68/x
  3. Step 3: Cross multiply
    69,768.37x = 96,273.06 × 39,547.68
  4. Step 4: Simplify right side
    69,768.37x = 3,807,375,660.17
  5. Step 5: Solve for x
    x = 3,807,375,660.17/69,768.37
  6. Step 6: Final answer
    x = 54,571.66

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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.