Home / 54,221.74-81,303.41-16,765.72

Finding the Fourth Proportional to 54,221.74, 81,303.41 and 16,765.72

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Solution

The fourth proportional to 54,221.74, 81,303.41 and 16,765.72 is: 25,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,221.74 : 81,303.41 = 16,765.72 : x
  2. Step 2: Convert to fraction form
    54,221.74/81,303.41 = 16,765.72/x
  3. Step 3: Cross multiply
    54,221.74x = 81,303.41 × 16,765.72
  4. Step 4: Simplify right side
    54,221.74x = 1,363,110,045.76
  5. Step 5: Solve for x
    x = 1,363,110,045.76/54,221.74
  6. Step 6: Final answer
    x = 25,139.55

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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.