Home / 93,015.54-139,520.18-40,425.03

Finding the Fourth Proportional to 93,015.54, 139,520.18 and 40,425.03

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Solution

The fourth proportional to 93,015.54, 139,520.18 and 40,425.03 is: 60,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,015.54 : 139,520.18 = 40,425.03 : x
  2. Step 2: Convert to fraction form
    93,015.54/139,520.18 = 40,425.03/x
  3. Step 3: Cross multiply
    93,015.54x = 139,520.18 × 40,425.03
  4. Step 4: Simplify right side
    93,015.54x = 5,640,107,563.17
  5. Step 5: Solve for x
    x = 5,640,107,563.17/93,015.54
  6. Step 6: Final answer
    x = 60,636.19

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1.5x scale

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.