Home / 74,426.48-111,650.88-21,829.76

Finding the Fourth Proportional to 74,426.48, 111,650.88 and 21,829.76

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Solution

The fourth proportional to 74,426.48, 111,650.88 and 21,829.76 is: 32,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.48 : 111,650.88 = 21,829.76 : x
  2. Step 2: Convert to fraction form
    74,426.48/111,650.88 = 21,829.76/x
  3. Step 3: Cross multiply
    74,426.48x = 111,650.88 × 21,829.76
  4. Step 4: Simplify right side
    74,426.48x = 2,437,311,914.19
  5. Step 5: Solve for x
    x = 2,437,311,914.19/74,426.48
  6. Step 6: Final answer
    x = 32,747.91

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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.