Home / 67,784.38-93,544.84-40,921.64

Finding the Fourth Proportional to 67,784.38, 93,544.84 and 40,921.64

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Solution

The fourth proportional to 67,784.38, 93,544.84 and 40,921.64 is: 56,473.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,784.38 : 93,544.84 = 40,921.64 : x
  2. Step 2: Convert to fraction form
    67,784.38/93,544.84 = 40,921.64/x
  3. Step 3: Cross multiply
    67,784.38x = 93,544.84 × 40,921.64
  4. Step 4: Simplify right side
    67,784.38x = 3,828,008,200.56
  5. Step 5: Solve for x
    x = 3,828,008,200.56/67,784.38
  6. Step 6: Final answer
    x = 56,473.31

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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.