Home / 56,893.39-85,273.56-42,808.20

Finding the Fourth Proportional to 56,893.39, 85,273.56 and 42,808.20

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Solution

The fourth proportional to 56,893.39, 85,273.56 and 42,808.20 is: 64,162.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893.39 : 85,273.56 = 42,808.20 : x
  2. Step 2: Convert to fraction form
    56,893.39/85,273.56 = 42,808.20/x
  3. Step 3: Cross multiply
    56,893.39x = 85,273.56 × 42,808.20
  4. Step 4: Simplify right side
    56,893.39x = 3,650,407,291.42
  5. Step 5: Solve for x
    x = 3,650,407,291.42/56,893.39
  6. Step 6: Final answer
    x = 64,162.24

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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.