Home / 76,418.34-114,575.22-38,905.82

Finding the Fourth Proportional to 76,418.34, 114,575.22 and 38,905.82

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Solution

The fourth proportional to 76,418.34, 114,575.22 and 38,905.82 is: 58,332.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,418.34 : 114,575.22 = 38,905.82 : x
  2. Step 2: Convert to fraction form
    76,418.34/114,575.22 = 38,905.82/x
  3. Step 3: Cross multiply
    76,418.34x = 114,575.22 × 38,905.82
  4. Step 4: Simplify right side
    76,418.34x = 4,457,642,797.27
  5. Step 5: Solve for x
    x = 4,457,642,797.27/76,418.34
  6. Step 6: Final answer
    x = 58,332.11

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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.