Home / 93,279.22-139,938.75-30,102.94

Finding the Fourth Proportional to 93,279.22, 139,938.75 and 30,102.94

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Solution

The fourth proportional to 93,279.22, 139,938.75 and 30,102.94 is: 45,160.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,279.22 : 139,938.75 = 30,102.94 : x
  2. Step 2: Convert to fraction form
    93,279.22/139,938.75 = 30,102.94/x
  3. Step 3: Cross multiply
    93,279.22x = 139,938.75 × 30,102.94
  4. Step 4: Simplify right side
    93,279.22x = 4,212,567,794.93
  5. Step 5: Solve for x
    x = 4,212,567,794.93/93,279.22
  6. Step 6: Final answer
    x = 45,160.84

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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.