Home / 84,717.33-126,993.37-40,332.16

Finding the Fourth Proportional to 84,717.33, 126,993.37 and 40,332.16

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Solution

The fourth proportional to 84,717.33, 126,993.37 and 40,332.16 is: 60,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,717.33 : 126,993.37 = 40,332.16 : x
  2. Step 2: Convert to fraction form
    84,717.33/126,993.37 = 40,332.16/x
  3. Step 3: Cross multiply
    84,717.33x = 126,993.37 × 40,332.16
  4. Step 4: Simplify right side
    84,717.33x = 5,121,917,051.31
  5. Step 5: Solve for x
    x = 5,121,917,051.31/84,717.33
  6. Step 6: Final answer
    x = 60,458.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.