Home / 74,649.49-111,973.53-30,265.69

Finding the Fourth Proportional to 74,649.49, 111,973.53 and 30,265.69

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Solution

The fourth proportional to 74,649.49, 111,973.53 and 30,265.69 is: 45,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,649.49 : 111,973.53 = 30,265.69 : x
  2. Step 2: Convert to fraction form
    74,649.49/111,973.53 = 30,265.69/x
  3. Step 3: Cross multiply
    74,649.49x = 111,973.53 × 30,265.69
  4. Step 4: Simplify right side
    74,649.49x = 3,388,956,147.19
  5. Step 5: Solve for x
    x = 3,388,956,147.19/74,649.49
  6. Step 6: Final answer
    x = 45,398.25

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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.