Home / 74,789.37-103,207.43-40,798.64

Finding the Fourth Proportional to 74,789.37, 103,207.43 and 40,798.64

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Solution

The fourth proportional to 74,789.37, 103,207.43 and 40,798.64 is: 56,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,789.37 : 103,207.43 = 40,798.64 : x
  2. Step 2: Convert to fraction form
    74,789.37/103,207.43 = 40,798.64/x
  3. Step 3: Cross multiply
    74,789.37x = 103,207.43 × 40,798.64
  4. Step 4: Simplify right side
    74,789.37x = 4,210,723,141.91
  5. Step 5: Solve for x
    x = 4,210,723,141.91/74,789.37
  6. Step 6: Final answer
    x = 56,301.09

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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.