Home / 75,931.35-113,832.21-53,674.71

Finding the Fourth Proportional to 75,931.35, 113,832.21 and 53,674.71

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Solution

The fourth proportional to 75,931.35, 113,832.21 and 53,674.71 is: 80,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,931.35 : 113,832.21 = 53,674.71 : x
  2. Step 2: Convert to fraction form
    75,931.35/113,832.21 = 53,674.71/x
  3. Step 3: Cross multiply
    75,931.35x = 113,832.21 × 53,674.71
  4. Step 4: Simplify right side
    75,931.35x = 6,109,910,860.41
  5. Step 5: Solve for x
    x = 6,109,910,860.41/75,931.35
  6. Step 6: Final answer
    x = 80,466.25

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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.