Home / 52,090.75-78,178.02-27,138.25

Finding the Fourth Proportional to 52,090.75, 78,178.02 and 27,138.25

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Solution

The fourth proportional to 52,090.75, 78,178.02 and 27,138.25 is: 40,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.75 : 78,178.02 = 27,138.25 : x
  2. Step 2: Convert to fraction form
    52,090.75/78,178.02 = 27,138.25/x
  3. Step 3: Cross multiply
    52,090.75x = 78,178.02 × 27,138.25
  4. Step 4: Simplify right side
    52,090.75x = 2,121,614,651.27
  5. Step 5: Solve for x
    x = 2,121,614,651.27/52,090.75
  6. Step 6: Final answer
    x = 40,729.20

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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.