Home / 102,027.70-153,041.35-27,147.83

Finding the Fourth Proportional to 102,027.70, 153,041.35 and 27,147.83

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Solution

The fourth proportional to 102,027.70, 153,041.35 and 27,147.83 is: 40,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,027.70 : 153,041.35 = 27,147.83 : x
  2. Step 2: Convert to fraction form
    102,027.70/153,041.35 = 27,147.83/x
  3. Step 3: Cross multiply
    102,027.70x = 153,041.35 × 27,147.83
  4. Step 4: Simplify right side
    102,027.70x = 4,154,741,061.88
  5. Step 5: Solve for x
    x = 4,154,741,061.88/102,027.70
  6. Step 6: Final answer
    x = 40,721.70

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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.