Home / 54,195.20-81,292.80-37,606.40

Finding the Fourth Proportional to 54,195.20, 81,292.80 and 37,606.40

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Solution

The fourth proportional to 54,195.20, 81,292.80 and 37,606.40 is: 56,409.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,195.20 : 81,292.80 = 37,606.40 : x
  2. Step 2: Convert to fraction form
    54,195.20/81,292.80 = 37,606.40/x
  3. Step 3: Cross multiply
    54,195.20x = 81,292.80 × 37,606.40
  4. Step 4: Simplify right side
    54,195.20x = 3,057,129,553.92
  5. Step 5: Solve for x
    x = 3,057,129,553.92/54,195.20
  6. Step 6: Final answer
    x = 56,409.60

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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.