Home / 93,145.37-139,639.68-40,515.22

Finding the Fourth Proportional to 93,145.37, 139,639.68 and 40,515.22

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Solution

The fourth proportional to 93,145.37, 139,639.68 and 40,515.22 is: 60,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,145.37 : 139,639.68 = 40,515.22 : x
  2. Step 2: Convert to fraction form
    93,145.37/139,639.68 = 40,515.22/x
  3. Step 3: Cross multiply
    93,145.37x = 139,639.68 × 40,515.22
  4. Step 4: Simplify right side
    93,145.37x = 5,657,532,355.93
  5. Step 5: Solve for x
    x = 5,657,532,355.93/93,145.37
  6. Step 6: Final answer
    x = 60,738.74

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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.