Home / 90,985.44-136,502.73-27,803.84

Finding the Fourth Proportional to 90,985.44, 136,502.73 and 27,803.84

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Solution

The fourth proportional to 90,985.44, 136,502.73 and 27,803.84 is: 41,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,985.44 : 136,502.73 = 27,803.84 : x
  2. Step 2: Convert to fraction form
    90,985.44/136,502.73 = 27,803.84/x
  3. Step 3: Cross multiply
    90,985.44x = 136,502.73 × 27,803.84
  4. Step 4: Simplify right side
    90,985.44x = 3,795,300,064.48
  5. Step 5: Solve for x
    x = 3,795,300,064.48/90,985.44
  6. Step 6: Final answer
    x = 41,713.27

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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.