Home / 57,186.90-85,857.30-33,518.70

Finding the Fourth Proportional to 57,186.90, 85,857.30 and 33,518.70

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Solution

The fourth proportional to 57,186.90, 85,857.30 and 33,518.70 is: 50,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,186.90 : 85,857.30 = 33,518.70 : x
  2. Step 2: Convert to fraction form
    57,186.90/85,857.30 = 33,518.70/x
  3. Step 3: Cross multiply
    57,186.90x = 85,857.30 × 33,518.70
  4. Step 4: Simplify right side
    57,186.90x = 2,877,825,081.51
  5. Step 5: Solve for x
    x = 2,877,825,081.51/57,186.90
  6. Step 6: Final answer
    x = 50,323.15

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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.