Home / 81,867.51-112,976.97-46,057.51

Finding the Fourth Proportional to 81,867.51, 112,976.97 and 46,057.51

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Solution

The fourth proportional to 81,867.51, 112,976.97 and 46,057.51 is: 63,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867.51 : 112,976.97 = 46,057.51 : x
  2. Step 2: Convert to fraction form
    81,867.51/112,976.97 = 46,057.51/x
  3. Step 3: Cross multiply
    81,867.51x = 112,976.97 × 46,057.51
  4. Step 4: Simplify right side
    81,867.51x = 5,203,437,925.54
  5. Step 5: Solve for x
    x = 5,203,437,925.54/81,867.51
  6. Step 6: Final answer
    x = 63,559.25

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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.