Home / 76,332.21-114,508.70-26,398.90

Finding the Fourth Proportional to 76,332.21, 114,508.70 and 26,398.90

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Solution

The fourth proportional to 76,332.21, 114,508.70 and 26,398.90 is: 39,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,332.21 : 114,508.70 = 26,398.90 : x
  2. Step 2: Convert to fraction form
    76,332.21/114,508.70 = 26,398.90/x
  3. Step 3: Cross multiply
    76,332.21x = 114,508.70 × 26,398.90
  4. Step 4: Simplify right side
    76,332.21x = 3,022,903,720.43
  5. Step 5: Solve for x
    x = 3,022,903,720.43/76,332.21
  6. Step 6: Final answer
    x = 39,601.94

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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.