Home / 57,275.22-85,877.55-19,826.58

Finding the Fourth Proportional to 57,275.22, 85,877.55 and 19,826.58

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Solution

The fourth proportional to 57,275.22, 85,877.55 and 19,826.58 is: 29,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,275.22 : 85,877.55 = 19,826.58 : x
  2. Step 2: Convert to fraction form
    57,275.22/85,877.55 = 19,826.58/x
  3. Step 3: Cross multiply
    57,275.22x = 85,877.55 × 19,826.58
  4. Step 4: Simplify right side
    57,275.22x = 1,702,658,115.28
  5. Step 5: Solve for x
    x = 1,702,658,115.28/57,275.22
  6. Step 6: Final answer
    x = 29,727.66

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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.