Home / 107,750.47-161,461.68-51,513.29

Finding the Fourth Proportional to 107,750.47, 161,461.68 and 51,513.29

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Solution

The fourth proportional to 107,750.47, 161,461.68 and 51,513.29 is: 77,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,750.47 : 161,461.68 = 51,513.29 : x
  2. Step 2: Convert to fraction form
    107,750.47/161,461.68 = 51,513.29/x
  3. Step 3: Cross multiply
    107,750.47x = 161,461.68 × 51,513.29
  4. Step 4: Simplify right side
    107,750.47x = 8,317,422,345.73
  5. Step 5: Solve for x
    x = 8,317,422,345.73/107,750.47
  6. Step 6: Final answer
    x = 77,191.52

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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.