Home / 76,618.14-114,911.01-36,614.40

Finding the Fourth Proportional to 76,618.14, 114,911.01 and 36,614.40

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Solution

The fourth proportional to 76,618.14, 114,911.01 and 36,614.40 is: 54,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,618.14 : 114,911.01 = 36,614.40 : x
  2. Step 2: Convert to fraction form
    76,618.14/114,911.01 = 36,614.40/x
  3. Step 3: Cross multiply
    76,618.14x = 114,911.01 × 36,614.40
  4. Step 4: Simplify right side
    76,618.14x = 4,207,397,684.54
  5. Step 5: Solve for x
    x = 4,207,397,684.54/76,618.14
  6. Step 6: Final answer
    x = 54,913.86

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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.