Home / 107,464.32-161,321.02-57,641.73

Finding the Fourth Proportional to 107,464.32, 161,321.02 and 57,641.73

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Solution

The fourth proportional to 107,464.32, 161,321.02 and 57,641.73 is: 86,529.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,464.32 : 161,321.02 = 57,641.73 : x
  2. Step 2: Convert to fraction form
    107,464.32/161,321.02 = 57,641.73/x
  3. Step 3: Cross multiply
    107,464.32x = 161,321.02 × 57,641.73
  4. Step 4: Simplify right side
    107,464.32x = 9,298,821,929.11
  5. Step 5: Solve for x
    x = 9,298,821,929.11/107,464.32
  6. Step 6: Final answer
    x = 86,529.39

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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.