Home / 75,537.74-113,209.50-31,195.64

Finding the Fourth Proportional to 75,537.74, 113,209.50 and 31,195.64

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Solution

The fourth proportional to 75,537.74, 113,209.50 and 31,195.64 is: 46,753.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,537.74 : 113,209.50 = 31,195.64 : x
  2. Step 2: Convert to fraction form
    75,537.74/113,209.50 = 31,195.64/x
  3. Step 3: Cross multiply
    75,537.74x = 113,209.50 × 31,195.64
  4. Step 4: Simplify right side
    75,537.74x = 3,531,642,806.58
  5. Step 5: Solve for x
    x = 3,531,642,806.58/75,537.74
  6. Step 6: Final answer
    x = 46,753.36

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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.