Home / 76,421.88-114,655.59-36,470.85

Finding the Fourth Proportional to 76,421.88, 114,655.59 and 36,470.85

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Solution

The fourth proportional to 76,421.88, 114,655.59 and 36,470.85 is: 54,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,421.88 : 114,655.59 = 36,470.85 : x
  2. Step 2: Convert to fraction form
    76,421.88/114,655.59 = 36,470.85/x
  3. Step 3: Cross multiply
    76,421.88x = 114,655.59 × 36,470.85
  4. Step 4: Simplify right side
    76,421.88x = 4,181,586,824.55
  5. Step 5: Solve for x
    x = 4,181,586,824.55/76,421.88
  6. Step 6: Final answer
    x = 54,717.14

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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.