Home / 76,775.92-114,563.31-68,797.13

Finding the Fourth Proportional to 76,775.92, 114,563.31 and 68,797.13

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Solution

The fourth proportional to 76,775.92, 114,563.31 and 68,797.13 is: 102,657.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,775.92 : 114,563.31 = 68,797.13 : x
  2. Step 2: Convert to fraction form
    76,775.92/114,563.31 = 68,797.13/x
  3. Step 3: Cross multiply
    76,775.92x = 114,563.31 × 68,797.13
  4. Step 4: Simplify right side
    76,775.92x = 7,881,626,587.31
  5. Step 5: Solve for x
    x = 7,881,626,587.31/76,775.92
  6. Step 6: Final answer
    x = 102,657.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.