Home / 74,227.20-111,427.20-44,678.40

Finding the Fourth Proportional to 74,227.20, 111,427.20 and 44,678.40

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Solution

The fourth proportional to 74,227.20, 111,427.20 and 44,678.40 is: 67,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,227.20 : 111,427.20 = 44,678.40 : x
  2. Step 2: Convert to fraction form
    74,227.20/111,427.20 = 44,678.40/x
  3. Step 3: Cross multiply
    74,227.20x = 111,427.20 × 44,678.40
  4. Step 4: Simplify right side
    74,227.20x = 4,978,389,012.48
  5. Step 5: Solve for x
    x = 4,978,389,012.48/74,227.20
  6. Step 6: Final answer
    x = 67,069.61

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1.5x scale

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.