Home / 54,722.16-82,041.48-45,333.36

Finding the Fourth Proportional to 54,722.16, 82,041.48 and 45,333.36

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Solution

The fourth proportional to 54,722.16, 82,041.48 and 45,333.36 is: 67,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,722.16 : 82,041.48 = 45,333.36 : x
  2. Step 2: Convert to fraction form
    54,722.16/82,041.48 = 45,333.36/x
  3. Step 3: Cross multiply
    54,722.16x = 82,041.48 × 45,333.36
  4. Step 4: Simplify right side
    54,722.16x = 3,719,215,947.77
  5. Step 5: Solve for x
    x = 3,719,215,947.77/54,722.16
  6. Step 6: Final answer
    x = 67,965.44

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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.