Home / 35,475.42-53,201.79-12,105.30

Finding the Fourth Proportional to 35,475.42, 53,201.79 and 12,105.30

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Solution

The fourth proportional to 35,475.42, 53,201.79 and 12,105.30 is: 18,154.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,475.42 : 53,201.79 = 12,105.30 : x
  2. Step 2: Convert to fraction form
    35,475.42/53,201.79 = 12,105.30/x
  3. Step 3: Cross multiply
    35,475.42x = 53,201.79 × 12,105.30
  4. Step 4: Simplify right side
    35,475.42x = 644,023,628.49
  5. Step 5: Solve for x
    x = 644,023,628.49/35,475.42
  6. Step 6: Final answer
    x = 18,154.08

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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.