Home / 74,764.05-111,990.30-37,210.25

Finding the Fourth Proportional to 74,764.05, 111,990.30 and 37,210.25

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Solution

The fourth proportional to 74,764.05, 111,990.30 and 37,210.25 is: 55,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,764.05 : 111,990.30 = 37,210.25 : x
  2. Step 2: Convert to fraction form
    74,764.05/111,990.30 = 37,210.25/x
  3. Step 3: Cross multiply
    74,764.05x = 111,990.30 × 37,210.25
  4. Step 4: Simplify right side
    74,764.05x = 4,167,186,500.62
  5. Step 5: Solve for x
    x = 4,167,186,500.62/74,764.05
  6. Step 6: Final answer
    x = 55,737.84

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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.