Home / 58,053.22-87,068.82-20,611.78

Finding the Fourth Proportional to 58,053.22, 87,068.82 and 20,611.78

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Solution

The fourth proportional to 58,053.22, 87,068.82 and 20,611.78 is: 30,913.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,053.22 : 87,068.82 = 20,611.78 : x
  2. Step 2: Convert to fraction form
    58,053.22/87,068.82 = 20,611.78/x
  3. Step 3: Cross multiply
    58,053.22x = 87,068.82 × 20,611.78
  4. Step 4: Simplify right side
    58,053.22x = 1,794,643,362.70
  5. Step 5: Solve for x
    x = 1,794,643,362.70/58,053.22
  6. Step 6: Final answer
    x = 30,913.76

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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.