Home / 79,941.21-110,322.44-45,960.72

Finding the Fourth Proportional to 79,941.21, 110,322.44 and 45,960.72

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Solution

The fourth proportional to 79,941.21, 110,322.44 and 45,960.72 is: 63,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,941.21 : 110,322.44 = 45,960.72 : x
  2. Step 2: Convert to fraction form
    79,941.21/110,322.44 = 45,960.72/x
  3. Step 3: Cross multiply
    79,941.21x = 110,322.44 × 45,960.72
  4. Step 4: Simplify right side
    79,941.21x = 5,070,498,774.56
  5. Step 5: Solve for x
    x = 5,070,498,774.56/79,941.21
  6. Step 6: Final answer
    x = 63,427.85

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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.