Home / 109,629.10-164,443.65-43,047.10

Finding the Fourth Proportional to 109,629.10, 164,443.65 and 43,047.10

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Solution

The fourth proportional to 109,629.10, 164,443.65 and 43,047.10 is: 64,570.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,629.10 : 164,443.65 = 43,047.10 : x
  2. Step 2: Convert to fraction form
    109,629.10/164,443.65 = 43,047.10/x
  3. Step 3: Cross multiply
    109,629.10x = 164,443.65 × 43,047.10
  4. Step 4: Simplify right side
    109,629.10x = 7,078,822,245.92
  5. Step 5: Solve for x
    x = 7,078,822,245.92/109,629.10
  6. Step 6: Final answer
    x = 64,570.65

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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.