Home / 75,950.64-113,935.05-31,607.37

Finding the Fourth Proportional to 75,950.64, 113,935.05 and 31,607.37

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Solution

The fourth proportional to 75,950.64, 113,935.05 and 31,607.37 is: 47,414.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,950.64 : 113,935.05 = 31,607.37 : x
  2. Step 2: Convert to fraction form
    75,950.64/113,935.05 = 31,607.37/x
  3. Step 3: Cross multiply
    75,950.64x = 113,935.05 × 31,607.37
  4. Step 4: Simplify right side
    75,950.64x = 3,601,187,281.32
  5. Step 5: Solve for x
    x = 3,601,187,281.32/75,950.64
  6. Step 6: Final answer
    x = 47,414.84

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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.