Home / 75,697.47-113,559.58-31,299.34

Finding the Fourth Proportional to 75,697.47, 113,559.58 and 31,299.34

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Solution

The fourth proportional to 75,697.47, 113,559.58 and 31,299.34 is: 46,954.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,697.47 : 113,559.58 = 31,299.34 : x
  2. Step 2: Convert to fraction form
    75,697.47/113,559.58 = 31,299.34/x
  3. Step 3: Cross multiply
    75,697.47x = 113,559.58 × 31,299.34
  4. Step 4: Simplify right side
    75,697.47x = 3,554,339,904.68
  5. Step 5: Solve for x
    x = 3,554,339,904.68/75,697.47
  6. Step 6: Final answer
    x = 46,954.54

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1.5x scale

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.