Home / 79,750.28-119,428.46-59,438.33

Finding the Fourth Proportional to 79,750.28, 119,428.46 and 59,438.33

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Solution

The fourth proportional to 79,750.28, 119,428.46 and 59,438.33 is: 89,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750.28 : 119,428.46 = 59,438.33 : x
  2. Step 2: Convert to fraction form
    79,750.28/119,428.46 = 59,438.33/x
  3. Step 3: Cross multiply
    79,750.28x = 119,428.46 × 59,438.33
  4. Step 4: Simplify right side
    79,750.28x = 7,098,628,218.25
  5. Step 5: Solve for x
    x = 7,098,628,218.25/79,750.28
  6. Step 6: Final answer
    x = 89,010.71

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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.