Home / 79,390.29-119,078.10-26,800.23

Finding the Fourth Proportional to 79,390.29, 119,078.10 and 26,800.23

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Solution

The fourth proportional to 79,390.29, 119,078.10 and 26,800.23 is: 40,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,390.29 : 119,078.10 = 26,800.23 : x
  2. Step 2: Convert to fraction form
    79,390.29/119,078.10 = 26,800.23/x
  3. Step 3: Cross multiply
    79,390.29x = 119,078.10 × 26,800.23
  4. Step 4: Simplify right side
    79,390.29x = 3,191,320,467.96
  5. Step 5: Solve for x
    x = 3,191,320,467.96/79,390.29
  6. Step 6: Final answer
    x = 40,197.87

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1.5x scale

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.