Home / 102,005.73-153,008.37-27,125.89

Finding the Fourth Proportional to 102,005.73, 153,008.37 and 27,125.89

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Solution

The fourth proportional to 102,005.73, 153,008.37 and 27,125.89 is: 40,688.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,005.73 : 153,008.37 = 27,125.89 : x
  2. Step 2: Convert to fraction form
    102,005.73/153,008.37 = 27,125.89/x
  3. Step 3: Cross multiply
    102,005.73x = 153,008.37 × 27,125.89
  4. Step 4: Simplify right side
    102,005.73x = 4,150,488,213.70
  5. Step 5: Solve for x
    x = 4,150,488,213.70/102,005.73
  6. Step 6: Final answer
    x = 40,688.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.