Home / 56,722.62-78,271.56-32,856.96

Finding the Fourth Proportional to 56,722.62, 78,271.56 and 32,856.96

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Solution

The fourth proportional to 56,722.62, 78,271.56 and 32,856.96 is: 45,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,722.62 : 78,271.56 = 32,856.96 : x
  2. Step 2: Convert to fraction form
    56,722.62/78,271.56 = 32,856.96/x
  3. Step 3: Cross multiply
    56,722.62x = 78,271.56 × 32,856.96
  4. Step 4: Simplify right side
    56,722.62x = 2,571,765,516.06
  5. Step 5: Solve for x
    x = 2,571,765,516.06/56,722.62
  6. Step 6: Final answer
    x = 45,339.33

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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.