Home / 73,338.44-101,205.78-39,803.72

Finding the Fourth Proportional to 73,338.44, 101,205.78 and 39,803.72

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Solution

The fourth proportional to 73,338.44, 101,205.78 and 39,803.72 is: 54,928.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,338.44 : 101,205.78 = 39,803.72 : x
  2. Step 2: Convert to fraction form
    73,338.44/101,205.78 = 39,803.72/x
  3. Step 3: Cross multiply
    73,338.44x = 101,205.78 × 39,803.72
  4. Step 4: Simplify right side
    73,338.44x = 4,028,366,529.50
  5. Step 5: Solve for x
    x = 4,028,366,529.50/73,338.44
  6. Step 6: Final answer
    x = 54,928.45

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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.