Home / 76,726.48-114,936.63-60,958.21

Finding the Fourth Proportional to 76,726.48, 114,936.63 and 60,958.21

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Solution

The fourth proportional to 76,726.48, 114,936.63 and 60,958.21 is: 91,315.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,726.48 : 114,936.63 = 60,958.21 : x
  2. Step 2: Convert to fraction form
    76,726.48/114,936.63 = 60,958.21/x
  3. Step 3: Cross multiply
    76,726.48x = 114,936.63 × 60,958.21
  4. Step 4: Simplify right side
    76,726.48x = 7,006,331,228.23
  5. Step 5: Solve for x
    x = 7,006,331,228.23/76,726.48
  6. Step 6: Final answer
    x = 91,315.69

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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.