Home / 74,648.36-111,426.38-65,791.32

Finding the Fourth Proportional to 74,648.36, 111,426.38 and 65,791.32

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Solution

The fourth proportional to 74,648.36, 111,426.38 and 65,791.32 is: 98,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,648.36 : 111,426.38 = 65,791.32 : x
  2. Step 2: Convert to fraction form
    74,648.36/111,426.38 = 65,791.32/x
  3. Step 3: Cross multiply
    74,648.36x = 111,426.38 × 65,791.32
  4. Step 4: Simplify right side
    74,648.36x = 7,330,888,623.02
  5. Step 5: Solve for x
    x = 7,330,888,623.02/74,648.36
  6. Step 6: Final answer
    x = 98,205.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.