Home / 93,020.10-139,562.55-40,467.30

Finding the Fourth Proportional to 93,020.10, 139,562.55 and 40,467.30

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Solution

The fourth proportional to 93,020.10, 139,562.55 and 40,467.30 is: 60,715.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,020.10 : 139,562.55 = 40,467.30 : x
  2. Step 2: Convert to fraction form
    93,020.10/139,562.55 = 40,467.30/x
  3. Step 3: Cross multiply
    93,020.10x = 139,562.55 × 40,467.30
  4. Step 4: Simplify right side
    93,020.10x = 5,647,719,579.62
  5. Step 5: Solve for x
    x = 5,647,719,579.62/93,020.10
  6. Step 6: Final answer
    x = 60,715.05

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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.