Home / 86,493.21-129,757.32-36,573.23

Finding the Fourth Proportional to 86,493.21, 129,757.32 and 36,573.23

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Solution

The fourth proportional to 86,493.21, 129,757.32 and 36,573.23 is: 54,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,493.21 : 129,757.32 = 36,573.23 : x
  2. Step 2: Convert to fraction form
    86,493.21/129,757.32 = 36,573.23/x
  3. Step 3: Cross multiply
    86,493.21x = 129,757.32 × 36,573.23
  4. Step 4: Simplify right side
    86,493.21x = 4,745,643,659.76
  5. Step 5: Solve for x
    x = 4,745,643,659.76/86,493.21
  6. Step 6: Final answer
    x = 54,867.24

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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.