Home / 109,935.10-164,902.65-43,353.10

Finding the Fourth Proportional to 109,935.10, 164,902.65 and 43,353.10

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Solution

The fourth proportional to 109,935.10, 164,902.65 and 43,353.10 is: 65,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,935.10 : 164,902.65 = 43,353.10 : x
  2. Step 2: Convert to fraction form
    109,935.10/164,902.65 = 43,353.10/x
  3. Step 3: Cross multiply
    109,935.10x = 164,902.65 × 43,353.10
  4. Step 4: Simplify right side
    109,935.10x = 7,149,041,075.72
  5. Step 5: Solve for x
    x = 7,149,041,075.72/109,935.10
  6. Step 6: Final answer
    x = 65,029.65

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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.