Home / 67,725.80-93,462.32-40,863.12

Finding the Fourth Proportional to 67,725.80, 93,462.32 and 40,863.12

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Solution

The fourth proportional to 67,725.80, 93,462.32 and 40,863.12 is: 56,391.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,725.80 : 93,462.32 = 40,863.12 : x
  2. Step 2: Convert to fraction form
    67,725.80/93,462.32 = 40,863.12/x
  3. Step 3: Cross multiply
    67,725.80x = 93,462.32 × 40,863.12
  4. Step 4: Simplify right side
    67,725.80x = 3,819,161,997.64
  5. Step 5: Solve for x
    x = 3,819,161,997.64/67,725.80
  6. Step 6: Final answer
    x = 56,391.54

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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.