Home / 79,784.94-119,697.92-29,865.76

Finding the Fourth Proportional to 79,784.94, 119,697.92 and 29,865.76

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Solution

The fourth proportional to 79,784.94, 119,697.92 and 29,865.76 is: 44,806.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,784.94 : 119,697.92 = 29,865.76 : x
  2. Step 2: Convert to fraction form
    79,784.94/119,697.92 = 29,865.76/x
  3. Step 3: Cross multiply
    79,784.94x = 119,697.92 × 29,865.76
  4. Step 4: Simplify right side
    79,784.94x = 3,574,869,351.22
  5. Step 5: Solve for x
    x = 3,574,869,351.22/79,784.94
  6. Step 6: Final answer
    x = 44,806.32

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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.