Home / 57,424.20-85,893.30-51,543.60

Finding the Fourth Proportional to 57,424.20, 85,893.30 and 51,543.60

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Solution

The fourth proportional to 57,424.20, 85,893.30 and 51,543.60 is: 77,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,424.20 : 85,893.30 = 51,543.60 : x
  2. Step 2: Convert to fraction form
    57,424.20/85,893.30 = 51,543.60/x
  3. Step 3: Cross multiply
    57,424.20x = 85,893.30 × 51,543.60
  4. Step 4: Simplify right side
    57,424.20x = 4,427,249,897.88
  5. Step 5: Solve for x
    x = 4,427,249,897.88/57,424.20
  6. Step 6: Final answer
    x = 77,097.28

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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.