Home / 79,340.08-118,827.76-45,977.64

Finding the Fourth Proportional to 79,340.08, 118,827.76 and 45,977.64

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Solution

The fourth proportional to 79,340.08, 118,827.76 and 45,977.64 is: 68,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,340.08 : 118,827.76 = 45,977.64 : x
  2. Step 2: Convert to fraction form
    79,340.08/118,827.76 = 45,977.64/x
  3. Step 3: Cross multiply
    79,340.08x = 118,827.76 × 45,977.64
  4. Step 4: Simplify right side
    79,340.08x = 5,463,419,971.29
  5. Step 5: Solve for x
    x = 5,463,419,971.29/79,340.08
  6. Step 6: Final answer
    x = 68,860.78

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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.