Home / 55,031.16-82,485.30-50,602.68

Finding the Fourth Proportional to 55,031.16, 82,485.30 and 50,602.68

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Solution

The fourth proportional to 55,031.16, 82,485.30 and 50,602.68 is: 75,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,031.16 : 82,485.30 = 50,602.68 : x
  2. Step 2: Convert to fraction form
    55,031.16/82,485.30 = 50,602.68/x
  3. Step 3: Cross multiply
    55,031.16x = 82,485.30 × 50,602.68
  4. Step 4: Simplify right side
    55,031.16x = 4,173,977,240.60
  5. Step 5: Solve for x
    x = 4,173,977,240.60/55,031.16
  6. Step 6: Final answer
    x = 75,847.52

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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.