Home / 76,726.69-114,970.66-29,315.92

Finding the Fourth Proportional to 76,726.69, 114,970.66 and 29,315.92

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Solution

The fourth proportional to 76,726.69, 114,970.66 and 29,315.92 is: 43,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,726.69 : 114,970.66 = 29,315.92 : x
  2. Step 2: Convert to fraction form
    76,726.69/114,970.66 = 29,315.92/x
  3. Step 3: Cross multiply
    76,726.69x = 114,970.66 × 29,315.92
  4. Step 4: Simplify right side
    76,726.69x = 3,370,470,670.91
  5. Step 5: Solve for x
    x = 3,370,470,670.91/76,726.69
  6. Step 6: Final answer
    x = 43,928.27

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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.