Home / 51,459.82-77,172.41-17,258.68

Finding the Fourth Proportional to 51,459.82, 77,172.41 and 17,258.68

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Solution

The fourth proportional to 51,459.82, 77,172.41 and 17,258.68 is: 25,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,459.82 : 77,172.41 = 17,258.68 : x
  2. Step 2: Convert to fraction form
    51,459.82/77,172.41 = 17,258.68/x
  3. Step 3: Cross multiply
    51,459.82x = 77,172.41 × 17,258.68
  4. Step 4: Simplify right side
    51,459.82x = 1,331,893,929.02
  5. Step 5: Solve for x
    x = 1,331,893,929.02/51,459.82
  6. Step 6: Final answer
    x = 25,882.21

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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.