Home / 74,465.13-111,697.44-30,091.35

Finding the Fourth Proportional to 74,465.13, 111,697.44 and 30,091.35

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Solution

The fourth proportional to 74,465.13, 111,697.44 and 30,091.35 is: 45,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465.13 : 111,697.44 = 30,091.35 : x
  2. Step 2: Convert to fraction form
    74,465.13/111,697.44 = 30,091.35/x
  3. Step 3: Cross multiply
    74,465.13x = 111,697.44 × 30,091.35
  4. Step 4: Simplify right side
    74,465.13x = 3,361,126,761.14
  5. Step 5: Solve for x
    x = 3,361,126,761.14/74,465.13
  6. Step 6: Final answer
    x = 45,136.92

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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.