Home / 49,333.20-74,145.60-48,458.40

Finding the Fourth Proportional to 49,333.20, 74,145.60 and 48,458.40

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Solution

The fourth proportional to 49,333.20, 74,145.60 and 48,458.40 is: 72,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,333.20 : 74,145.60 = 48,458.40 : x
  2. Step 2: Convert to fraction form
    49,333.20/74,145.60 = 48,458.40/x
  3. Step 3: Cross multiply
    49,333.20x = 74,145.60 × 48,458.40
  4. Step 4: Simplify right side
    49,333.20x = 3,592,977,143.04
  5. Step 5: Solve for x
    x = 3,592,977,143.04/49,333.20
  6. Step 6: Final answer
    x = 72,830.81

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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.