Home / 76,348.21-114,566.97-31,971.25

Finding the Fourth Proportional to 76,348.21, 114,566.97 and 31,971.25

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Solution

The fourth proportional to 76,348.21, 114,566.97 and 31,971.25 is: 47,975.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,348.21 : 114,566.97 = 31,971.25 : x
  2. Step 2: Convert to fraction form
    76,348.21/114,566.97 = 31,971.25/x
  3. Step 3: Cross multiply
    76,348.21x = 114,566.97 × 31,971.25
  4. Step 4: Simplify right side
    76,348.21x = 3,662,849,239.61
  5. Step 5: Solve for x
    x = 3,662,849,239.61/76,348.21
  6. Step 6: Final answer
    x = 47,975.57

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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.