Home / 93,090.39-139,705.74-68,194.14

Finding the Fourth Proportional to 93,090.39, 139,705.74 and 68,194.14

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Solution

The fourth proportional to 93,090.39, 139,705.74 and 68,194.14 is: 102,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,090.39 : 139,705.74 = 68,194.14 : x
  2. Step 2: Convert to fraction form
    93,090.39/139,705.74 = 68,194.14/x
  3. Step 3: Cross multiply
    93,090.39x = 139,705.74 × 68,194.14
  4. Step 4: Simplify right side
    93,090.39x = 9,527,112,792.36
  5. Step 5: Solve for x
    x = 9,527,112,792.36/93,090.39
  6. Step 6: Final answer
    x = 102,342.60

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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.