Home / 84,933.36-117,221.58-49,145.13

Finding the Fourth Proportional to 84,933.36, 117,221.58 and 49,145.13

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Solution

The fourth proportional to 84,933.36, 117,221.58 and 49,145.13 is: 67,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,933.36 : 117,221.58 = 49,145.13 : x
  2. Step 2: Convert to fraction form
    84,933.36/117,221.58 = 49,145.13/x
  3. Step 3: Cross multiply
    84,933.36x = 117,221.58 × 49,145.13
  4. Step 4: Simplify right side
    84,933.36x = 5,760,869,787.91
  5. Step 5: Solve for x
    x = 5,760,869,787.91/84,933.36
  6. Step 6: Final answer
    x = 67,828.12

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1.5x scale

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.