Home / 54,623.20-81,740.40-37,904.80

Finding the Fourth Proportional to 54,623.20, 81,740.40 and 37,904.80

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Solution

The fourth proportional to 54,623.20, 81,740.40 and 37,904.80 is: 56,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.20 : 81,740.40 = 37,904.80 : x
  2. Step 2: Convert to fraction form
    54,623.20/81,740.40 = 37,904.80/x
  3. Step 3: Cross multiply
    54,623.20x = 81,740.40 × 37,904.80
  4. Step 4: Simplify right side
    54,623.20x = 3,098,353,513.92
  5. Step 5: Solve for x
    x = 3,098,353,513.92/54,623.20
  6. Step 6: Final answer
    x = 56,722.30

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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.