Home / 67,731.99-93,473.49-40,874.04

Finding the Fourth Proportional to 67,731.99, 93,473.49 and 40,874.04

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Solution

The fourth proportional to 67,731.99, 93,473.49 and 40,874.04 is: 56,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,731.99 : 93,473.49 = 40,874.04 : x
  2. Step 2: Convert to fraction form
    67,731.99/93,473.49 = 40,874.04/x
  3. Step 3: Cross multiply
    67,731.99x = 93,473.49 × 40,874.04
  4. Step 4: Simplify right side
    67,731.99x = 3,820,639,169.20
  5. Step 5: Solve for x
    x = 3,820,639,169.20/67,731.99
  6. Step 6: Final answer
    x = 56,408.19

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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.