Home / 75,835.71-113,665.00-57,055.41

Finding the Fourth Proportional to 75,835.71, 113,665.00 and 57,055.41

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Solution

The fourth proportional to 75,835.71, 113,665.00 and 57,055.41 is: 85,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,835.71 : 113,665.00 = 57,055.41 : x
  2. Step 2: Convert to fraction form
    75,835.71/113,665.00 = 57,055.41/x
  3. Step 3: Cross multiply
    75,835.71x = 113,665.00 × 57,055.41
  4. Step 4: Simplify right side
    75,835.71x = 6,485,203,301.20
  5. Step 5: Solve for x
    x = 6,485,203,301.20/75,835.71
  6. Step 6: Final answer
    x = 85,516.49

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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.