Home / 80,004.87-119,875.82-27,385.65

Finding the Fourth Proportional to 80,004.87, 119,875.82 and 27,385.65

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Solution

The fourth proportional to 80,004.87, 119,875.82 and 27,385.65 is: 41,033.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,004.87 : 119,875.82 = 27,385.65 : x
  2. Step 2: Convert to fraction form
    80,004.87/119,875.82 = 27,385.65/x
  3. Step 3: Cross multiply
    80,004.87x = 119,875.82 × 27,385.65
  4. Step 4: Simplify right side
    80,004.87x = 3,282,877,113.05
  5. Step 5: Solve for x
    x = 3,282,877,113.05/80,004.87
  6. Step 6: Final answer
    x = 41,033.47

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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.