Home / 74,628.68-111,852.30-35,139.56

Finding the Fourth Proportional to 74,628.68, 111,852.30 and 35,139.56

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Solution

The fourth proportional to 74,628.68, 111,852.30 and 35,139.56 is: 52,666.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,628.68 : 111,852.30 = 35,139.56 : x
  2. Step 2: Convert to fraction form
    74,628.68/111,852.30 = 35,139.56/x
  3. Step 3: Cross multiply
    74,628.68x = 111,852.30 × 35,139.56
  4. Step 4: Simplify right side
    74,628.68x = 3,930,440,606.99
  5. Step 5: Solve for x
    x = 3,930,440,606.99/74,628.68
  6. Step 6: Final answer
    x = 52,666.62

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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.