Home / 69,979.75-96,606.53-48,485.79

Finding the Fourth Proportional to 69,979.75, 96,606.53 and 48,485.79

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Solution

The fourth proportional to 69,979.75, 96,606.53 and 48,485.79 is: 66,934.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,979.75 : 96,606.53 = 48,485.79 : x
  2. Step 2: Convert to fraction form
    69,979.75/96,606.53 = 48,485.79/x
  3. Step 3: Cross multiply
    69,979.75x = 96,606.53 × 48,485.79
  4. Step 4: Simplify right side
    69,979.75x = 4,684,043,926.21
  5. Step 5: Solve for x
    x = 4,684,043,926.21/69,979.75
  6. Step 6: Final answer
    x = 66,934.28

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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.