Home / 90,923.23-136,381.63-27,740.80

Finding the Fourth Proportional to 90,923.23, 136,381.63 and 27,740.80

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Solution

The fourth proportional to 90,923.23, 136,381.63 and 27,740.80 is: 41,610.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,923.23 : 136,381.63 = 27,740.80 : x
  2. Step 2: Convert to fraction form
    90,923.23/136,381.63 = 27,740.80/x
  3. Step 3: Cross multiply
    90,923.23x = 136,381.63 × 27,740.80
  4. Step 4: Simplify right side
    90,923.23x = 3,783,335,521.50
  5. Step 5: Solve for x
    x = 3,783,335,521.50/90,923.23
  6. Step 6: Final answer
    x = 41,610.22

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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.