Home / 84,069.12-116,015.28-46,344

Finding the Fourth Proportional to 84,069.12, 116,015.28 and 46,344

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Solution

The fourth proportional to 84,069.12, 116,015.28 and 46,344 is: 63,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,069.12 : 116,015.28 = 46,344 : x
  2. Step 2: Convert to fraction form
    84,069.12/116,015.28 = 46,344/x
  3. Step 3: Cross multiply
    84,069.12x = 116,015.28 × 46,344
  4. Step 4: Simplify right side
    84,069.12x = 5,376,612,136.32
  5. Step 5: Solve for x
    x = 5,376,612,136.32/84,069.12
  6. Step 6: Final answer
    x = 63,954.66

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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.