Home / 75,609.14-113,348.10-38,137.93

Finding the Fourth Proportional to 75,609.14, 113,348.10 and 38,137.93

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Solution

The fourth proportional to 75,609.14, 113,348.10 and 38,137.93 is: 57,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,609.14 : 113,348.10 = 38,137.93 : x
  2. Step 2: Convert to fraction form
    75,609.14/113,348.10 = 38,137.93/x
  3. Step 3: Cross multiply
    75,609.14x = 113,348.10 × 38,137.93
  4. Step 4: Simplify right side
    75,609.14x = 4,322,862,186.80
  5. Step 5: Solve for x
    x = 4,322,862,186.80/75,609.14
  6. Step 6: Final answer
    x = 57,173.80

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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.