Home / 75,842.64-113,671.73-53,662.41

Finding the Fourth Proportional to 75,842.64, 113,671.73 and 53,662.41

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Solution

The fourth proportional to 75,842.64, 113,671.73 and 53,662.41 is: 80,428.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,842.64 : 113,671.73 = 53,662.41 : x
  2. Step 2: Convert to fraction form
    75,842.64/113,671.73 = 53,662.41/x
  3. Step 3: Cross multiply
    75,842.64x = 113,671.73 × 53,662.41
  4. Step 4: Simplify right side
    75,842.64x = 6,099,898,144.00
  5. Step 5: Solve for x
    x = 6,099,898,144.00/75,842.64
  6. Step 6: Final answer
    x = 80,428.35

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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.