Home / 74,467.20-111,700.80-48,223.20

Finding the Fourth Proportional to 74,467.20, 111,700.80 and 48,223.20

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Solution

The fourth proportional to 74,467.20, 111,700.80 and 48,223.20 is: 72,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,467.20 : 111,700.80 = 48,223.20 : x
  2. Step 2: Convert to fraction form
    74,467.20/111,700.80 = 48,223.20/x
  3. Step 3: Cross multiply
    74,467.20x = 111,700.80 × 48,223.20
  4. Step 4: Simplify right side
    74,467.20x = 5,386,570,018.56
  5. Step 5: Solve for x
    x = 5,386,570,018.56/74,467.20
  6. Step 6: Final answer
    x = 72,334.80

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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.