Home / 74,571.18-111,823.83-39,502.50

Finding the Fourth Proportional to 74,571.18, 111,823.83 and 39,502.50

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Solution

The fourth proportional to 74,571.18, 111,823.83 and 39,502.50 is: 59,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,571.18 : 111,823.83 = 39,502.50 : x
  2. Step 2: Convert to fraction form
    74,571.18/111,823.83 = 39,502.50/x
  3. Step 3: Cross multiply
    74,571.18x = 111,823.83 × 39,502.50
  4. Step 4: Simplify right side
    74,571.18x = 4,417,320,844.58
  5. Step 5: Solve for x
    x = 4,417,320,844.58/74,571.18
  6. Step 6: Final answer
    x = 59,236.30

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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.