Home / 74,636.68-111,864.28-35,147.56

Finding the Fourth Proportional to 74,636.68, 111,864.28 and 35,147.56

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Solution

The fourth proportional to 74,636.68, 111,864.28 and 35,147.56 is: 52,678.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,636.68 : 111,864.28 = 35,147.56 : x
  2. Step 2: Convert to fraction form
    74,636.68/111,864.28 = 35,147.56/x
  3. Step 3: Cross multiply
    74,636.68x = 111,864.28 × 35,147.56
  4. Step 4: Simplify right side
    74,636.68x = 3,931,756,493.16
  5. Step 5: Solve for x
    x = 3,931,756,493.16/74,636.68
  6. Step 6: Final answer
    x = 52,678.61

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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.