Home / 79,100.12-118,468.74-51,313.88

Finding the Fourth Proportional to 79,100.12, 118,468.74 and 51,313.88

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Solution

The fourth proportional to 79,100.12, 118,468.74 and 51,313.88 is: 76,853.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,100.12 : 118,468.74 = 51,313.88 : x
  2. Step 2: Convert to fraction form
    79,100.12/118,468.74 = 51,313.88/x
  3. Step 3: Cross multiply
    79,100.12x = 118,468.74 × 51,313.88
  4. Step 4: Simplify right side
    79,100.12x = 6,079,090,708.11
  5. Step 5: Solve for x
    x = 6,079,090,708.11/79,100.12
  6. Step 6: Final answer
    x = 76,853.12

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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.