Home / 93,386.20-139,982.10-51,201.40

Finding the Fourth Proportional to 93,386.20, 139,982.10 and 51,201.40

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Solution

The fourth proportional to 93,386.20, 139,982.10 and 51,201.40 is: 76,748.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,386.20 : 139,982.10 = 51,201.40 : x
  2. Step 2: Convert to fraction form
    93,386.20/139,982.10 = 51,201.40/x
  3. Step 3: Cross multiply
    93,386.20x = 139,982.10 × 51,201.40
  4. Step 4: Simplify right side
    93,386.20x = 7,167,279,494.94
  5. Step 5: Solve for x
    x = 7,167,279,494.94/93,386.20
  6. Step 6: Final answer
    x = 76,748.81

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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.