Home / 79,338.20-119,002.88-58,012.76

Finding the Fourth Proportional to 79,338.20, 119,002.88 and 58,012.76

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Solution

The fourth proportional to 79,338.20, 119,002.88 and 58,012.76 is: 87,015.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,338.20 : 119,002.88 = 58,012.76 : x
  2. Step 2: Convert to fraction form
    79,338.20/119,002.88 = 58,012.76/x
  3. Step 3: Cross multiply
    79,338.20x = 119,002.88 × 58,012.76
  4. Step 4: Simplify right side
    79,338.20x = 6,903,684,631.67
  5. Step 5: Solve for x
    x = 6,903,684,631.67/79,338.20
  6. Step 6: Final answer
    x = 87,015.90

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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.