Home / 65,975.06-91,055.49-51,933.62

Finding the Fourth Proportional to 65,975.06, 91,055.49 and 51,933.62

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Solution

The fourth proportional to 65,975.06, 91,055.49 and 51,933.62 is: 71,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,975.06 : 91,055.49 = 51,933.62 : x
  2. Step 2: Convert to fraction form
    65,975.06/91,055.49 = 51,933.62/x
  3. Step 3: Cross multiply
    65,975.06x = 91,055.49 × 51,933.62
  4. Step 4: Simplify right side
    65,975.06x = 4,728,841,216.57
  5. Step 5: Solve for x
    x = 4,728,841,216.57/65,975.06
  6. Step 6: Final answer
    x = 71,676.19

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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.