Home / 76,348.34-114,567.16-31,971.38

Finding the Fourth Proportional to 76,348.34, 114,567.16 and 31,971.38

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Solution

The fourth proportional to 76,348.34, 114,567.16 and 31,971.38 is: 47,975.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,348.34 : 114,567.16 = 31,971.38 : x
  2. Step 2: Convert to fraction form
    76,348.34/114,567.16 = 31,971.38/x
  3. Step 3: Cross multiply
    76,348.34x = 114,567.16 × 31,971.38
  4. Step 4: Simplify right side
    76,348.34x = 3,662,870,207.88
  5. Step 5: Solve for x
    x = 3,662,870,207.88/76,348.34
  6. Step 6: Final answer
    x = 47,975.77

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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.