Home / 79,316.10-118,966.05-26,726.04

Finding the Fourth Proportional to 79,316.10, 118,966.05 and 26,726.04

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Solution

The fourth proportional to 79,316.10, 118,966.05 and 26,726.04 is: 40,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.10 : 118,966.05 = 26,726.04 : x
  2. Step 2: Convert to fraction form
    79,316.10/118,966.05 = 26,726.04/x
  3. Step 3: Cross multiply
    79,316.10x = 118,966.05 × 26,726.04
  4. Step 4: Simplify right side
    79,316.10x = 3,179,491,410.94
  5. Step 5: Solve for x
    x = 3,179,491,410.94/79,316.10
  6. Step 6: Final answer
    x = 40,086.33

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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.