Home / 79,861.40-119,542.84-58,825.20

Finding the Fourth Proportional to 79,861.40, 119,542.84 and 58,825.20

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Solution

The fourth proportional to 79,861.40, 119,542.84 and 58,825.20 is: 88,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,861.40 : 119,542.84 = 58,825.20 : x
  2. Step 2: Convert to fraction form
    79,861.40/119,542.84 = 58,825.20/x
  3. Step 3: Cross multiply
    79,861.40x = 119,542.84 × 58,825.20
  4. Step 4: Simplify right side
    79,861.40x = 7,032,131,471.57
  5. Step 5: Solve for x
    x = 7,032,131,471.57/79,861.40
  6. Step 6: Final answer
    x = 88,054.20

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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.