Home / 69,951.78-96,533.58-38,120.68

Finding the Fourth Proportional to 69,951.78, 96,533.58 and 38,120.68

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Solution

The fourth proportional to 69,951.78, 96,533.58 and 38,120.68 is: 52,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,951.78 : 96,533.58 = 38,120.68 : x
  2. Step 2: Convert to fraction form
    69,951.78/96,533.58 = 38,120.68/x
  3. Step 3: Cross multiply
    69,951.78x = 96,533.58 × 38,120.68
  4. Step 4: Simplify right side
    69,951.78x = 3,679,925,712.43
  5. Step 5: Solve for x
    x = 3,679,925,712.43/69,951.78
  6. Step 6: Final answer
    x = 52,606.61

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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.