Home / 76,241.09-114,361.91-53,987.15

Finding the Fourth Proportional to 76,241.09, 114,361.91 and 53,987.15

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Solution

The fourth proportional to 76,241.09, 114,361.91 and 53,987.15 is: 80,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,241.09 : 114,361.91 = 53,987.15 : x
  2. Step 2: Convert to fraction form
    76,241.09/114,361.91 = 53,987.15/x
  3. Step 3: Cross multiply
    76,241.09x = 114,361.91 × 53,987.15
  4. Step 4: Simplify right side
    76,241.09x = 6,174,073,589.46
  5. Step 5: Solve for x
    x = 6,174,073,589.46/76,241.09
  6. Step 6: Final answer
    x = 80,980.92

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1.5x scale

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.