Home / 77,516.32-106,956.44-50,698.24

Finding the Fourth Proportional to 77,516.32, 106,956.44 and 50,698.24

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Solution

The fourth proportional to 77,516.32, 106,956.44 and 50,698.24 is: 69,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,516.32 : 106,956.44 = 50,698.24 : x
  2. Step 2: Convert to fraction form
    77,516.32/106,956.44 = 50,698.24/x
  3. Step 3: Cross multiply
    77,516.32x = 106,956.44 × 50,698.24
  4. Step 4: Simplify right side
    77,516.32x = 5,422,503,011.17
  5. Step 5: Solve for x
    x = 5,422,503,011.17/77,516.32
  6. Step 6: Final answer
    x = 69,953.05

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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.