Home / 99,076.41-148,623.26-27,999.80

Finding the Fourth Proportional to 99,076.41, 148,623.26 and 27,999.80

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Solution

The fourth proportional to 99,076.41, 148,623.26 and 27,999.80 is: 42,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,076.41 : 148,623.26 = 27,999.80 : x
  2. Step 2: Convert to fraction form
    99,076.41/148,623.26 = 27,999.80/x
  3. Step 3: Cross multiply
    99,076.41x = 148,623.26 × 27,999.80
  4. Step 4: Simplify right side
    99,076.41x = 4,161,420,672.23
  5. Step 5: Solve for x
    x = 4,161,420,672.23/99,076.41
  6. Step 6: Final answer
    x = 42,002.13

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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.