Home / 75,530.01-113,221.13-31,194.12

Finding the Fourth Proportional to 75,530.01, 113,221.13 and 31,194.12

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Solution

The fourth proportional to 75,530.01, 113,221.13 and 31,194.12 is: 46,760.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,530.01 : 113,221.13 = 31,194.12 : x
  2. Step 2: Convert to fraction form
    75,530.01/113,221.13 = 31,194.12/x
  3. Step 3: Cross multiply
    75,530.01x = 113,221.13 × 31,194.12
  4. Step 4: Simplify right side
    75,530.01x = 3,531,833,359.79
  5. Step 5: Solve for x
    x = 3,531,833,359.79/75,530.01
  6. Step 6: Final answer
    x = 46,760.66

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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.