Home / 109,941.10-164,911.65-43,359.10

Finding the Fourth Proportional to 109,941.10, 164,911.65 and 43,359.10

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Solution

The fourth proportional to 109,941.10, 164,911.65 and 43,359.10 is: 65,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,941.10 : 164,911.65 = 43,359.10 : x
  2. Step 2: Convert to fraction form
    109,941.10/164,911.65 = 43,359.10/x
  3. Step 3: Cross multiply
    109,941.10x = 164,911.65 × 43,359.10
  4. Step 4: Simplify right side
    109,941.10x = 7,150,420,723.52
  5. Step 5: Solve for x
    x = 7,150,420,723.52/109,941.10
  6. Step 6: Final answer
    x = 65,038.65

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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.