Home / 76,234.96-114,320.04-31,225.29

Finding the Fourth Proportional to 76,234.96, 114,320.04 and 31,225.29

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Solution

The fourth proportional to 76,234.96, 114,320.04 and 31,225.29 is: 46,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,234.96 : 114,320.04 = 31,225.29 : x
  2. Step 2: Convert to fraction form
    76,234.96/114,320.04 = 31,225.29/x
  3. Step 3: Cross multiply
    76,234.96x = 114,320.04 × 31,225.29
  4. Step 4: Simplify right side
    76,234.96x = 3,569,675,830.21
  5. Step 5: Solve for x
    x = 3,569,675,830.21/76,234.96
  6. Step 6: Final answer
    x = 46,824.66

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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.