Home / 76,868.28-115,287.84-32,526

Finding the Fourth Proportional to 76,868.28, 115,287.84 and 32,526

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Solution

The fourth proportional to 76,868.28, 115,287.84 and 32,526 is: 48,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,868.28 : 115,287.84 = 32,526 : x
  2. Step 2: Convert to fraction form
    76,868.28/115,287.84 = 32,526/x
  3. Step 3: Cross multiply
    76,868.28x = 115,287.84 × 32,526
  4. Step 4: Simplify right side
    76,868.28x = 3,749,852,283.84
  5. Step 5: Solve for x
    x = 3,749,852,283.84/76,868.28
  6. Step 6: Final answer
    x = 48,782.83

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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.