Home / 54,566.40-81,395.20-53,663.36

Finding the Fourth Proportional to 54,566.40, 81,395.20 and 53,663.36

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Solution

The fourth proportional to 54,566.40, 81,395.20 and 53,663.36 is: 80,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,566.40 : 81,395.20 = 53,663.36 : x
  2. Step 2: Convert to fraction form
    54,566.40/81,395.20 = 53,663.36/x
  3. Step 3: Cross multiply
    54,566.40x = 81,395.20 × 53,663.36
  4. Step 4: Simplify right side
    54,566.40x = 4,367,939,919.87
  5. Step 5: Solve for x
    x = 4,367,939,919.87/54,566.40
  6. Step 6: Final answer
    x = 80,048.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.