Home / 56,818.36-85,239.85-21,758.02

Finding the Fourth Proportional to 56,818.36, 85,239.85 and 21,758.02

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Solution

The fourth proportional to 56,818.36, 85,239.85 and 21,758.02 is: 32,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,818.36 : 85,239.85 = 21,758.02 : x
  2. Step 2: Convert to fraction form
    56,818.36/85,239.85 = 21,758.02/x
  3. Step 3: Cross multiply
    56,818.36x = 85,239.85 × 21,758.02
  4. Step 4: Simplify right side
    56,818.36x = 1,854,650,093.60
  5. Step 5: Solve for x
    x = 1,854,650,093.60/56,818.36
  6. Step 6: Final answer
    x = 32,641.74

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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.