Home / 49,536.60-74,310.30-47,981.40

Finding the Fourth Proportional to 49,536.60, 74,310.30 and 47,981.40

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Solution

The fourth proportional to 49,536.60, 74,310.30 and 47,981.40 is: 71,977.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,536.60 : 74,310.30 = 47,981.40 : x
  2. Step 2: Convert to fraction form
    49,536.60/74,310.30 = 47,981.40/x
  3. Step 3: Cross multiply
    49,536.60x = 74,310.30 × 47,981.40
  4. Step 4: Simplify right side
    49,536.60x = 3,565,512,228.42
  5. Step 5: Solve for x
    x = 3,565,512,228.42/49,536.60
  6. Step 6: Final answer
    x = 71,977.33

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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.