Home / 52,459.18-78,696.54-19,171.48

Finding the Fourth Proportional to 52,459.18, 78,696.54 and 19,171.48

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Solution

The fourth proportional to 52,459.18, 78,696.54 and 19,171.48 is: 28,760.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,459.18 : 78,696.54 = 19,171.48 : x
  2. Step 2: Convert to fraction form
    52,459.18/78,696.54 = 19,171.48/x
  3. Step 3: Cross multiply
    52,459.18x = 78,696.54 × 19,171.48
  4. Step 4: Simplify right side
    52,459.18x = 1,508,729,142.68
  5. Step 5: Solve for x
    x = 1,508,729,142.68/52,459.18
  6. Step 6: Final answer
    x = 28,760.06

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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.