Home / 117,475.14-162,115.85-63,760.16

Finding the Fourth Proportional to 117,475.14, 162,115.85 and 63,760.16

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Solution

The fourth proportional to 117,475.14, 162,115.85 and 63,760.16 is: 87,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,475.14 : 162,115.85 = 63,760.16 : x
  2. Step 2: Convert to fraction form
    117,475.14/162,115.85 = 63,760.16/x
  3. Step 3: Cross multiply
    117,475.14x = 162,115.85 × 63,760.16
  4. Step 4: Simplify right side
    117,475.14x = 10,336,532,740.58
  5. Step 5: Solve for x
    x = 10,336,532,740.58/117,475.14
  6. Step 6: Final answer
    x = 87,989.10

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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.