Home / 74,673.20-112,056.69-30,300.14

Finding the Fourth Proportional to 74,673.20, 112,056.69 and 30,300.14

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Solution

The fourth proportional to 74,673.20, 112,056.69 and 30,300.14 is: 45,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,673.20 : 112,056.69 = 30,300.14 : x
  2. Step 2: Convert to fraction form
    74,673.20/112,056.69 = 30,300.14/x
  3. Step 3: Cross multiply
    74,673.20x = 112,056.69 × 30,300.14
  4. Step 4: Simplify right side
    74,673.20x = 3,395,333,394.94
  5. Step 5: Solve for x
    x = 3,395,333,394.94/74,673.20
  6. Step 6: Final answer
    x = 45,469.24

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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.