Home / 122,091.47-168,495.14-73,705.29

Finding the Fourth Proportional to 122,091.47, 168,495.14 and 73,705.29

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Solution

The fourth proportional to 122,091.47, 168,495.14 and 73,705.29 is: 101,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,091.47 : 168,495.14 = 73,705.29 : x
  2. Step 2: Convert to fraction form
    122,091.47/168,495.14 = 73,705.29/x
  3. Step 3: Cross multiply
    122,091.47x = 168,495.14 × 73,705.29
  4. Step 4: Simplify right side
    122,091.47x = 12,418,981,946.29
  5. Step 5: Solve for x
    x = 12,418,981,946.29/122,091.47
  6. Step 6: Final answer
    x = 101,718.67

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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.