Home / 112,609.82-168,961.80-49,397.31

Finding the Fourth Proportional to 112,609.82, 168,961.80 and 49,397.31

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Solution

The fourth proportional to 112,609.82, 168,961.80 and 49,397.31 is: 74,116.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,609.82 : 168,961.80 = 49,397.31 : x
  2. Step 2: Convert to fraction form
    112,609.82/168,961.80 = 49,397.31/x
  3. Step 3: Cross multiply
    112,609.82x = 168,961.80 × 49,397.31
  4. Step 4: Simplify right side
    112,609.82x = 8,346,258,412.76
  5. Step 5: Solve for x
    x = 8,346,258,412.76/112,609.82
  6. Step 6: Final answer
    x = 74,116.62

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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.