Home / 56,835.68-78,431.60-35,626.64

Finding the Fourth Proportional to 56,835.68, 78,431.60 and 35,626.64

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Solution

The fourth proportional to 56,835.68, 78,431.60 and 35,626.64 is: 49,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,835.68 : 78,431.60 = 35,626.64 : x
  2. Step 2: Convert to fraction form
    56,835.68/78,431.60 = 35,626.64/x
  3. Step 3: Cross multiply
    56,835.68x = 78,431.60 × 35,626.64
  4. Step 4: Simplify right side
    56,835.68x = 2,794,254,377.82
  5. Step 5: Solve for x
    x = 2,794,254,377.82/56,835.68
  6. Step 6: Final answer
    x = 49,163.74

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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.