Home / 76,939.53-106,194.24-45,118.68

Finding the Fourth Proportional to 76,939.53, 106,194.24 and 45,118.68

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Solution

The fourth proportional to 76,939.53, 106,194.24 and 45,118.68 is: 62,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,939.53 : 106,194.24 = 45,118.68 : x
  2. Step 2: Convert to fraction form
    76,939.53/106,194.24 = 45,118.68/x
  3. Step 3: Cross multiply
    76,939.53x = 106,194.24 × 45,118.68
  4. Step 4: Simplify right side
    76,939.53x = 4,791,343,932.40
  5. Step 5: Solve for x
    x = 4,791,343,932.40/76,939.53
  6. Step 6: Final answer
    x = 62,274.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.