Home / 93,143.03-139,636.17-40,512.87

Finding the Fourth Proportional to 93,143.03, 139,636.17 and 40,512.87

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Solution

The fourth proportional to 93,143.03, 139,636.17 and 40,512.87 is: 60,735.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,143.03 : 139,636.17 = 40,512.87 : x
  2. Step 2: Convert to fraction form
    93,143.03/139,636.17 = 40,512.87/x
  3. Step 3: Cross multiply
    93,143.03x = 139,636.17 × 40,512.87
  4. Step 4: Simplify right side
    93,143.03x = 5,657,062,002.51
  5. Step 5: Solve for x
    x = 5,657,062,002.51/93,143.03
  6. Step 6: Final answer
    x = 60,735.22

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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.