Home / 93,143.86-139,637.41-40,513.70

Finding the Fourth Proportional to 93,143.86, 139,637.41 and 40,513.70

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Solution

The fourth proportional to 93,143.86, 139,637.41 and 40,513.70 is: 60,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,143.86 : 139,637.41 = 40,513.70 : x
  2. Step 2: Convert to fraction form
    93,143.86/139,637.41 = 40,513.70/x
  3. Step 3: Cross multiply
    93,143.86x = 139,637.41 × 40,513.70
  4. Step 4: Simplify right side
    93,143.86x = 5,657,228,137.52
  5. Step 5: Solve for x
    x = 5,657,228,137.52/93,143.86
  6. Step 6: Final answer
    x = 60,736.46

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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.