Home / 79,930.40-119,895.57-23,770.28

Finding the Fourth Proportional to 79,930.40, 119,895.57 and 23,770.28

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Solution

The fourth proportional to 79,930.40, 119,895.57 and 23,770.28 is: 35,655.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,930.40 : 119,895.57 = 23,770.28 : x
  2. Step 2: Convert to fraction form
    79,930.40/119,895.57 = 23,770.28/x
  3. Step 3: Cross multiply
    79,930.40x = 119,895.57 × 23,770.28
  4. Step 4: Simplify right side
    79,930.40x = 2,849,951,269.66
  5. Step 5: Solve for x
    x = 2,849,951,269.66/79,930.40
  6. Step 6: Final answer
    x = 35,655.41

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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.