Home / 67,729.99-93,470.73-40,872.04

Finding the Fourth Proportional to 67,729.99, 93,470.73 and 40,872.04

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Solution

The fourth proportional to 67,729.99, 93,470.73 and 40,872.04 is: 56,405.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,729.99 : 93,470.73 = 40,872.04 : x
  2. Step 2: Convert to fraction form
    67,729.99/93,470.73 = 40,872.04/x
  3. Step 3: Cross multiply
    67,729.99x = 93,470.73 × 40,872.04
  4. Step 4: Simplify right side
    67,729.99x = 3,820,339,415.39
  5. Step 5: Solve for x
    x = 3,820,339,415.39/67,729.99
  6. Step 6: Final answer
    x = 56,405.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.