Home / 76,705.76-115,065.29-23,409.74

Finding the Fourth Proportional to 76,705.76, 115,065.29 and 23,409.74

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Solution

The fourth proportional to 76,705.76, 115,065.29 and 23,409.74 is: 35,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,705.76 : 115,065.29 = 23,409.74 : x
  2. Step 2: Convert to fraction form
    76,705.76/115,065.29 = 23,409.74/x
  3. Step 3: Cross multiply
    76,705.76x = 115,065.29 × 23,409.74
  4. Step 4: Simplify right side
    76,705.76x = 2,693,647,829.55
  5. Step 5: Solve for x
    x = 2,693,647,829.55/76,705.76
  6. Step 6: Final answer
    x = 35,116.63

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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.