Home / 59,742.72-89,623.80-18,180

Finding the Fourth Proportional to 59,742.72, 89,623.80 and 18,180

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Solution

The fourth proportional to 59,742.72, 89,623.80 and 18,180 is: 27,272.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,742.72 : 89,623.80 = 18,180 : x
  2. Step 2: Convert to fraction form
    59,742.72/89,623.80 = 18,180/x
  3. Step 3: Cross multiply
    59,742.72x = 89,623.80 × 18,180
  4. Step 4: Simplify right side
    59,742.72x = 1,629,360,684
  5. Step 5: Solve for x
    x = 1,629,360,684/59,742.72
  6. Step 6: Final answer
    x = 27,272.96

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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.