Home / 117,475.72-162,116.67-63,760.75

Finding the Fourth Proportional to 117,475.72, 162,116.67 and 63,760.75

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Solution

The fourth proportional to 117,475.72, 162,116.67 and 63,760.75 is: 87,989.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,475.72 : 162,116.67 = 63,760.75 : x
  2. Step 2: Convert to fraction form
    117,475.72/162,116.67 = 63,760.75/x
  3. Step 3: Cross multiply
    117,475.72x = 162,116.67 × 63,760.75
  4. Step 4: Simplify right side
    117,475.72x = 10,336,680,674.44
  5. Step 5: Solve for x
    x = 10,336,680,674.44/117,475.72
  6. Step 6: Final answer
    x = 87,989.93

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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.