Home / 123,880.19-185,775.05-52,810.08

Finding the Fourth Proportional to 123,880.19, 185,775.05 and 52,810.08

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Solution

The fourth proportional to 123,880.19, 185,775.05 and 52,810.08 is: 79,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,880.19 : 185,775.05 = 52,810.08 : x
  2. Step 2: Convert to fraction form
    123,880.19/185,775.05 = 52,810.08/x
  3. Step 3: Cross multiply
    123,880.19x = 185,775.05 × 52,810.08
  4. Step 4: Simplify right side
    123,880.19x = 9,810,794,687.87
  5. Step 5: Solve for x
    x = 9,810,794,687.87/123,880.19
  6. Step 6: Final answer
    x = 79,195.83

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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.