Home / 75,331.12-112,996.57-30,926.59

Finding the Fourth Proportional to 75,331.12, 112,996.57 and 30,926.59

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Solution

The fourth proportional to 75,331.12, 112,996.57 and 30,926.59 is: 46,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,331.12 : 112,996.57 = 30,926.59 : x
  2. Step 2: Convert to fraction form
    75,331.12/112,996.57 = 30,926.59/x
  3. Step 3: Cross multiply
    75,331.12x = 112,996.57 × 30,926.59
  4. Step 4: Simplify right side
    75,331.12x = 3,494,598,591.80
  5. Step 5: Solve for x
    x = 3,494,598,591.80/75,331.12
  6. Step 6: Final answer
    x = 46,389.84

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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.