Home / 67,322.57-92,901.21-38,635.61

Finding the Fourth Proportional to 67,322.57, 92,901.21 and 38,635.61

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Solution

The fourth proportional to 67,322.57, 92,901.21 and 38,635.61 is: 53,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,322.57 : 92,901.21 = 38,635.61 : x
  2. Step 2: Convert to fraction form
    67,322.57/92,901.21 = 38,635.61/x
  3. Step 3: Cross multiply
    67,322.57x = 92,901.21 × 38,635.61
  4. Step 4: Simplify right side
    67,322.57x = 3,589,294,918.09
  5. Step 5: Solve for x
    x = 3,589,294,918.09/67,322.57
  6. Step 6: Final answer
    x = 53,314.88

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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.