Home / 81,864.40-112,971.66-46,054.42

Finding the Fourth Proportional to 81,864.40, 112,971.66 and 46,054.42

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Solution

The fourth proportional to 81,864.40, 112,971.66 and 46,054.42 is: 63,554.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,864.40 : 112,971.66 = 46,054.42 : x
  2. Step 2: Convert to fraction form
    81,864.40/112,971.66 = 46,054.42/x
  3. Step 3: Cross multiply
    81,864.40x = 112,971.66 × 46,054.42
  4. Step 4: Simplify right side
    81,864.40x = 5,202,844,277.74
  5. Step 5: Solve for x
    x = 5,202,844,277.74/81,864.40
  6. Step 6: Final answer
    x = 63,554.42

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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.