Home / 77,387.10-116,080.68-51,085.68

Finding the Fourth Proportional to 77,387.10, 116,080.68 and 51,085.68

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Solution

The fourth proportional to 77,387.10, 116,080.68 and 51,085.68 is: 76,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,387.10 : 116,080.68 = 51,085.68 : x
  2. Step 2: Convert to fraction form
    77,387.10/116,080.68 = 51,085.68/x
  3. Step 3: Cross multiply
    77,387.10x = 116,080.68 × 51,085.68
  4. Step 4: Simplify right side
    77,387.10x = 5,930,060,472.66
  5. Step 5: Solve for x
    x = 5,930,060,472.66/77,387.10
  6. Step 6: Final answer
    x = 76,628.54

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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.