Home / 57,524.19-86,307.05-20,089.80

Finding the Fourth Proportional to 57,524.19, 86,307.05 and 20,089.80

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Solution

The fourth proportional to 57,524.19, 86,307.05 and 20,089.80 is: 30,141.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,524.19 : 86,307.05 = 20,089.80 : x
  2. Step 2: Convert to fraction form
    57,524.19/86,307.05 = 20,089.80/x
  3. Step 3: Cross multiply
    57,524.19x = 86,307.05 × 20,089.80
  4. Step 4: Simplify right side
    57,524.19x = 1,733,891,272.64
  5. Step 5: Solve for x
    x = 1,733,891,272.64/57,524.19
  6. Step 6: Final answer
    x = 30,141.95

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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.