Home / 77,546.27-107,025.63-47,349.20

Finding the Fourth Proportional to 77,546.27, 107,025.63 and 47,349.20

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Solution

The fourth proportional to 77,546.27, 107,025.63 and 47,349.20 is: 65,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,546.27 : 107,025.63 = 47,349.20 : x
  2. Step 2: Convert to fraction form
    77,546.27/107,025.63 = 47,349.20/x
  3. Step 3: Cross multiply
    77,546.27x = 107,025.63 × 47,349.20
  4. Step 4: Simplify right side
    77,546.27x = 5,067,577,960.00
  5. Step 5: Solve for x
    x = 5,067,577,960.00/77,546.27
  6. Step 6: Final answer
    x = 65,349.09

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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.