Home / 75,610.06-113,437.23-31,239.34

Finding the Fourth Proportional to 75,610.06, 113,437.23 and 31,239.34

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Solution

The fourth proportional to 75,610.06, 113,437.23 and 31,239.34 is: 46,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,610.06 : 113,437.23 = 31,239.34 : x
  2. Step 2: Convert to fraction form
    75,610.06/113,437.23 = 31,239.34/x
  3. Step 3: Cross multiply
    75,610.06x = 113,437.23 × 31,239.34
  4. Step 4: Simplify right side
    75,610.06x = 3,543,704,196.63
  5. Step 5: Solve for x
    x = 3,543,704,196.63/75,610.06
  6. Step 6: Final answer
    x = 46,868.16

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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.