Home / 49,785.21-68,688.95-29,631.96

Finding the Fourth Proportional to 49,785.21, 68,688.95 and 29,631.96

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Solution

The fourth proportional to 49,785.21, 68,688.95 and 29,631.96 is: 40,883.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.21 : 68,688.95 = 29,631.96 : x
  2. Step 2: Convert to fraction form
    49,785.21/68,688.95 = 29,631.96/x
  3. Step 3: Cross multiply
    49,785.21x = 68,688.95 × 29,631.96
  4. Step 4: Simplify right side
    49,785.21x = 2,035,388,070.68
  5. Step 5: Solve for x
    x = 2,035,388,070.68/49,785.21
  6. Step 6: Final answer
    x = 40,883.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.