Home / 81,864.06-112,971.36-46,054.32

Finding the Fourth Proportional to 81,864.06, 112,971.36 and 46,054.32

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Solution

The fourth proportional to 81,864.06, 112,971.36 and 46,054.32 is: 63,554.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,864.06 : 112,971.36 = 46,054.32 : x
  2. Step 2: Convert to fraction form
    81,864.06/112,971.36 = 46,054.32/x
  3. Step 3: Cross multiply
    81,864.06x = 112,971.36 × 46,054.32
  4. Step 4: Simplify right side
    81,864.06x = 5,202,819,164.28
  5. Step 5: Solve for x
    x = 5,202,819,164.28/81,864.06
  6. Step 6: Final answer
    x = 63,554.37

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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.