Home / 52,272.09-78,383.43-20,266.14

Finding the Fourth Proportional to 52,272.09, 78,383.43 and 20,266.14

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Solution

The fourth proportional to 52,272.09, 78,383.43 and 20,266.14 is: 30,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,272.09 : 78,383.43 = 20,266.14 : x
  2. Step 2: Convert to fraction form
    52,272.09/78,383.43 = 20,266.14/x
  3. Step 3: Cross multiply
    52,272.09x = 78,383.43 × 20,266.14
  4. Step 4: Simplify right side
    52,272.09x = 1,588,529,566.06
  5. Step 5: Solve for x
    x = 1,588,529,566.06/52,272.09
  6. Step 6: Final answer
    x = 30,389.63

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1.5x scale

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.