Home / 76,242.09-114,363.41-53,988.15

Finding the Fourth Proportional to 76,242.09, 114,363.41 and 53,988.15

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Solution

The fourth proportional to 76,242.09, 114,363.41 and 53,988.15 is: 80,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,242.09 : 114,363.41 = 53,988.15 : x
  2. Step 2: Convert to fraction form
    76,242.09/114,363.41 = 53,988.15/x
  3. Step 3: Cross multiply
    76,242.09x = 114,363.41 × 53,988.15
  4. Step 4: Simplify right side
    76,242.09x = 6,174,268,933.59
  5. Step 5: Solve for x
    x = 6,174,268,933.59/76,242.09
  6. Step 6: Final answer
    x = 80,982.42

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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.