Home / 61,936.83-85,508.24-40,777.61

Finding the Fourth Proportional to 61,936.83, 85,508.24 and 40,777.61

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Solution

The fourth proportional to 61,936.83, 85,508.24 and 40,777.61 is: 56,296.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.83 : 85,508.24 = 40,777.61 : x
  2. Step 2: Convert to fraction form
    61,936.83/85,508.24 = 40,777.61/x
  3. Step 3: Cross multiply
    61,936.83x = 85,508.24 × 40,777.61
  4. Step 4: Simplify right side
    61,936.83x = 3,486,821,031.08
  5. Step 5: Solve for x
    x = 3,486,821,031.08/61,936.83
  6. Step 6: Final answer
    x = 56,296.41

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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.