Home / 102,005.75-153,008.46-27,125.93

Finding the Fourth Proportional to 102,005.75, 153,008.46 and 27,125.93

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Solution

The fourth proportional to 102,005.75, 153,008.46 and 27,125.93 is: 40,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,005.75 : 153,008.46 = 27,125.93 : x
  2. Step 2: Convert to fraction form
    102,005.75/153,008.46 = 27,125.93/x
  3. Step 3: Cross multiply
    102,005.75x = 153,008.46 × 27,125.93
  4. Step 4: Simplify right side
    102,005.75x = 4,150,496,010.33
  5. Step 5: Solve for x
    x = 4,150,496,010.33/102,005.75
  6. Step 6: Final answer
    x = 40,688.85

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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.