Home / 66,896.56-92,316.42-38,601.64

Finding the Fourth Proportional to 66,896.56, 92,316.42 and 38,601.64

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Solution

The fourth proportional to 66,896.56, 92,316.42 and 38,601.64 is: 53,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,896.56 : 92,316.42 = 38,601.64 : x
  2. Step 2: Convert to fraction form
    66,896.56/92,316.42 = 38,601.64/x
  3. Step 3: Cross multiply
    66,896.56x = 92,316.42 × 38,601.64
  4. Step 4: Simplify right side
    66,896.56x = 3,563,565,210.93
  5. Step 5: Solve for x
    x = 3,563,565,210.93/66,896.56
  6. Step 6: Final answer
    x = 53,269.78

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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.