Home / 47,199.11-65,134.78-25,978.22

Finding the Fourth Proportional to 47,199.11, 65,134.78 and 25,978.22

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Solution

The fourth proportional to 47,199.11, 65,134.78 and 25,978.22 is: 35,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,199.11 : 65,134.78 = 25,978.22 : x
  2. Step 2: Convert to fraction form
    47,199.11/65,134.78 = 25,978.22/x
  3. Step 3: Cross multiply
    47,199.11x = 65,134.78 × 25,978.22
  4. Step 4: Simplify right side
    47,199.11x = 1,692,085,644.26
  5. Step 5: Solve for x
    x = 1,692,085,644.26/47,199.11
  6. Step 6: Final answer
    x = 35,849.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.