Home / 74,255.94-111,427.65-34,813.40

Finding the Fourth Proportional to 74,255.94, 111,427.65 and 34,813.40

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Solution

The fourth proportional to 74,255.94, 111,427.65 and 34,813.40 is: 52,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,255.94 : 111,427.65 = 34,813.40 : x
  2. Step 2: Convert to fraction form
    74,255.94/111,427.65 = 34,813.40/x
  3. Step 3: Cross multiply
    74,255.94x = 111,427.65 × 34,813.40
  4. Step 4: Simplify right side
    74,255.94x = 3,879,174,793.37
  5. Step 5: Solve for x
    x = 3,879,174,793.37/74,255.94
  6. Step 6: Final answer
    x = 52,240.60

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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.