Home / 49,783.10-74,761.05-26,455.10

Finding the Fourth Proportional to 49,783.10, 74,761.05 and 26,455.10

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Solution

The fourth proportional to 49,783.10, 74,761.05 and 26,455.10 is: 39,728.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,783.10 : 74,761.05 = 26,455.10 : x
  2. Step 2: Convert to fraction form
    49,783.10/74,761.05 = 26,455.10/x
  3. Step 3: Cross multiply
    49,783.10x = 74,761.05 × 26,455.10
  4. Step 4: Simplify right side
    49,783.10x = 1,977,811,053.86
  5. Step 5: Solve for x
    x = 1,977,811,053.86/49,783.10
  6. Step 6: Final answer
    x = 39,728.56

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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.