Home / 79,895.30-119,835.65-73,630.76

Finding the Fourth Proportional to 79,895.30, 119,835.65 and 73,630.76

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Solution

The fourth proportional to 79,895.30, 119,835.65 and 73,630.76 is: 110,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,895.30 : 119,835.65 = 73,630.76 : x
  2. Step 2: Convert to fraction form
    79,895.30/119,835.65 = 73,630.76/x
  3. Step 3: Cross multiply
    79,895.30x = 119,835.65 × 73,630.76
  4. Step 4: Simplify right side
    79,895.30x = 8,823,589,569.49
  5. Step 5: Solve for x
    x = 8,823,589,569.49/79,895.30
  6. Step 6: Final answer
    x = 110,439.41

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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.