Home / 76,318.35-114,494.96-26,398.40

Finding the Fourth Proportional to 76,318.35, 114,494.96 and 26,398.40

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Solution

The fourth proportional to 76,318.35, 114,494.96 and 26,398.40 is: 39,603.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,318.35 : 114,494.96 = 26,398.40 : x
  2. Step 2: Convert to fraction form
    76,318.35/114,494.96 = 26,398.40/x
  3. Step 3: Cross multiply
    76,318.35x = 114,494.96 × 26,398.40
  4. Step 4: Simplify right side
    76,318.35x = 3,022,484,104.30
  5. Step 5: Solve for x
    x = 3,022,484,104.30/76,318.35
  6. Step 6: Final answer
    x = 39,603.64

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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.