Home / 123,730.22-185,511.99-57,133.64

Finding the Fourth Proportional to 123,730.22, 185,511.99 and 57,133.64

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Solution

The fourth proportional to 123,730.22, 185,511.99 and 57,133.64 is: 85,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,730.22 : 185,511.99 = 57,133.64 : x
  2. Step 2: Convert to fraction form
    123,730.22/185,511.99 = 57,133.64/x
  3. Step 3: Cross multiply
    123,730.22x = 185,511.99 × 57,133.64
  4. Step 4: Simplify right side
    123,730.22x = 10,598,975,252.34
  5. Step 5: Solve for x
    x = 10,598,975,252.34/123,730.22
  6. Step 6: Final answer
    x = 85,661.98

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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.