Home / 74,682.13-111,765.43-46,207.39

Finding the Fourth Proportional to 74,682.13, 111,765.43 and 46,207.39

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Solution

The fourth proportional to 74,682.13, 111,765.43 and 46,207.39 is: 69,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,682.13 : 111,765.43 = 46,207.39 : x
  2. Step 2: Convert to fraction form
    74,682.13/111,765.43 = 46,207.39/x
  3. Step 3: Cross multiply
    74,682.13x = 111,765.43 × 46,207.39
  4. Step 4: Simplify right side
    74,682.13x = 5,164,388,812.53
  5. Step 5: Solve for x
    x = 5,164,388,812.53/74,682.13
  6. Step 6: Final answer
    x = 69,151.60

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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.