Home / 74,441.58-111,638.37-24,509.78

Finding the Fourth Proportional to 74,441.58, 111,638.37 and 24,509.78

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Solution

The fourth proportional to 74,441.58, 111,638.37 and 24,509.78 is: 36,756.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,441.58 : 111,638.37 = 24,509.78 : x
  2. Step 2: Convert to fraction form
    74,441.58/111,638.37 = 24,509.78/x
  3. Step 3: Cross multiply
    74,441.58x = 111,638.37 × 24,509.78
  4. Step 4: Simplify right side
    74,441.58x = 2,736,231,888.26
  5. Step 5: Solve for x
    x = 2,736,231,888.26/74,441.58
  6. Step 6: Final answer
    x = 36,756.77

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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.