Home / 104,636.10-156,954.15-69,461.70

Finding the Fourth Proportional to 104,636.10, 156,954.15 and 69,461.70

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Solution

The fourth proportional to 104,636.10, 156,954.15 and 69,461.70 is: 104,192.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,636.10 : 156,954.15 = 69,461.70 : x
  2. Step 2: Convert to fraction form
    104,636.10/156,954.15 = 69,461.70/x
  3. Step 3: Cross multiply
    104,636.10x = 156,954.15 × 69,461.70
  4. Step 4: Simplify right side
    104,636.10x = 10,902,302,081.06
  5. Step 5: Solve for x
    x = 10,902,302,081.06/104,636.10
  6. Step 6: Final answer
    x = 104,192.55

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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.