Home / 67,076.64-100,663.68-54,085.92

Finding the Fourth Proportional to 67,076.64, 100,663.68 and 54,085.92

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Solution

The fourth proportional to 67,076.64, 100,663.68 and 54,085.92 is: 81,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,076.64 : 100,663.68 = 54,085.92 : x
  2. Step 2: Convert to fraction form
    67,076.64/100,663.68 = 54,085.92/x
  3. Step 3: Cross multiply
    67,076.64x = 100,663.68 × 54,085.92
  4. Step 4: Simplify right side
    67,076.64x = 5,444,487,743.39
  5. Step 5: Solve for x
    x = 5,444,487,743.39/67,076.64
  6. Step 6: Final answer
    x = 81,168.16

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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.