Home / 79,428.30-119,110.05-26,810.70

Finding the Fourth Proportional to 79,428.30, 119,110.05 and 26,810.70

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Solution

The fourth proportional to 79,428.30, 119,110.05 and 26,810.70 is: 40,205.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,428.30 : 119,110.05 = 26,810.70 : x
  2. Step 2: Convert to fraction form
    79,428.30/119,110.05 = 26,810.70/x
  3. Step 3: Cross multiply
    79,428.30x = 119,110.05 × 26,810.70
  4. Step 4: Simplify right side
    79,428.30x = 3,193,423,817.54
  5. Step 5: Solve for x
    x = 3,193,423,817.54/79,428.30
  6. Step 6: Final answer
    x = 40,205.11

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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.