Home / 49,904.80-74,857.20-48,155.20

Finding the Fourth Proportional to 49,904.80, 74,857.20 and 48,155.20

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Solution

The fourth proportional to 49,904.80, 74,857.20 and 48,155.20 is: 72,232.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,904.80 : 74,857.20 = 48,155.20 : x
  2. Step 2: Convert to fraction form
    49,904.80/74,857.20 = 48,155.20/x
  3. Step 3: Cross multiply
    49,904.80x = 74,857.20 × 48,155.20
  4. Step 4: Simplify right side
    49,904.80x = 3,604,763,437.44
  5. Step 5: Solve for x
    x = 3,604,763,437.44/49,904.80
  6. Step 6: Final answer
    x = 72,232.80

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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.