Home / 77,682.07-107,185.16-45,410.42

Finding the Fourth Proportional to 77,682.07, 107,185.16 and 45,410.42

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Solution

The fourth proportional to 77,682.07, 107,185.16 and 45,410.42 is: 62,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,682.07 : 107,185.16 = 45,410.42 : x
  2. Step 2: Convert to fraction form
    77,682.07/107,185.16 = 45,410.42/x
  3. Step 3: Cross multiply
    77,682.07x = 107,185.16 × 45,410.42
  4. Step 4: Simplify right side
    77,682.07x = 4,867,322,370.39
  5. Step 5: Solve for x
    x = 4,867,322,370.39/77,682.07
  6. Step 6: Final answer
    x = 62,656.96

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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.