Home / 74,571.68-111,824.58-39,503

Finding the Fourth Proportional to 74,571.68, 111,824.58 and 39,503

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Solution

The fourth proportional to 74,571.68, 111,824.58 and 39,503 is: 59,237.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.68 : 111,824.58 = 39,503 : x
  2. Step 2: Convert to fraction form
    74,571.68/111,824.58 = 39,503/x
  3. Step 3: Cross multiply
    74,571.68x = 111,824.58 × 39,503
  4. Step 4: Simplify right side
    74,571.68x = 4,417,406,383.74
  5. Step 5: Solve for x
    x = 4,417,406,383.74/74,571.68
  6. Step 6: Final answer
    x = 59,237.05

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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.