Home / 75,670.24-113,575.40-38,256.72

Finding the Fourth Proportional to 75,670.24, 113,575.40 and 38,256.72

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Solution

The fourth proportional to 75,670.24, 113,575.40 and 38,256.72 is: 57,420.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,670.24 : 113,575.40 = 38,256.72 : x
  2. Step 2: Convert to fraction form
    75,670.24/113,575.40 = 38,256.72/x
  3. Step 3: Cross multiply
    75,670.24x = 113,575.40 × 38,256.72
  4. Step 4: Simplify right side
    75,670.24x = 4,345,022,276.69
  5. Step 5: Solve for x
    x = 4,345,022,276.69/75,670.24
  6. Step 6: Final answer
    x = 57,420.49

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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.