Home / 80,726.54-111,390.01-46,728.36

Finding the Fourth Proportional to 80,726.54, 111,390.01 and 46,728.36

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Solution

The fourth proportional to 80,726.54, 111,390.01 and 46,728.36 is: 64,477.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,726.54 : 111,390.01 = 46,728.36 : x
  2. Step 2: Convert to fraction form
    80,726.54/111,390.01 = 46,728.36/x
  3. Step 3: Cross multiply
    80,726.54x = 111,390.01 × 46,728.36
  4. Step 4: Simplify right side
    80,726.54x = 5,205,072,370.86
  5. Step 5: Solve for x
    x = 5,205,072,370.86/80,726.54
  6. Step 6: Final answer
    x = 64,477.84

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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.