Home / 75,905.37-113,777.87-25,290.71

Finding the Fourth Proportional to 75,905.37, 113,777.87 and 25,290.71

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Solution

The fourth proportional to 75,905.37, 113,777.87 and 25,290.71 is: 37,909.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.37 : 113,777.87 = 25,290.71 : x
  2. Step 2: Convert to fraction form
    75,905.37/113,777.87 = 25,290.71/x
  3. Step 3: Cross multiply
    75,905.37x = 113,777.87 × 25,290.71
  4. Step 4: Simplify right side
    75,905.37x = 2,877,522,419.24
  5. Step 5: Solve for x
    x = 2,877,522,419.24/75,905.37
  6. Step 6: Final answer
    x = 37,909.34

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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.