Home / 56,749.32-85,175.82-43,558.92

Finding the Fourth Proportional to 56,749.32, 85,175.82 and 43,558.92

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Solution

The fourth proportional to 56,749.32, 85,175.82 and 43,558.92 is: 65,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,749.32 : 85,175.82 = 43,558.92 : x
  2. Step 2: Convert to fraction form
    56,749.32/85,175.82 = 43,558.92/x
  3. Step 3: Cross multiply
    56,749.32x = 85,175.82 × 43,558.92
  4. Step 4: Simplify right side
    56,749.32x = 3,710,166,729.31
  5. Step 5: Solve for x
    x = 3,710,166,729.31/56,749.32
  6. Step 6: Final answer
    x = 65,378.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.