Home / 112,521.06-168,828.12-49,308.30

Finding the Fourth Proportional to 112,521.06, 168,828.12 and 49,308.30

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Solution

The fourth proportional to 112,521.06, 168,828.12 and 49,308.30 is: 73,982.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,521.06 : 168,828.12 = 49,308.30 : x
  2. Step 2: Convert to fraction form
    112,521.06/168,828.12 = 49,308.30/x
  3. Step 3: Cross multiply
    112,521.06x = 168,828.12 × 49,308.30
  4. Step 4: Simplify right side
    112,521.06x = 8,324,627,589.40
  5. Step 5: Solve for x
    x = 8,324,627,589.40/112,521.06
  6. Step 6: Final answer
    x = 73,982.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.