Home / 75,913.63-113,882.60-38,458.53

Finding the Fourth Proportional to 75,913.63, 113,882.60 and 38,458.53

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Solution

The fourth proportional to 75,913.63, 113,882.60 and 38,458.53 is: 57,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,913.63 : 113,882.60 = 38,458.53 : x
  2. Step 2: Convert to fraction form
    75,913.63/113,882.60 = 38,458.53/x
  3. Step 3: Cross multiply
    75,913.63x = 113,882.60 × 38,458.53
  4. Step 4: Simplify right side
    75,913.63x = 4,379,757,484.72
  5. Step 5: Solve for x
    x = 4,379,757,484.72/75,913.63
  6. Step 6: Final answer
    x = 57,693.96

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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.