Home / 124,442.36-186,723.62-61,228.20

Finding the Fourth Proportional to 124,442.36, 186,723.62 and 61,228.20

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Solution

The fourth proportional to 124,442.36, 186,723.62 and 61,228.20 is: 91,871.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,442.36 : 186,723.62 = 61,228.20 : x
  2. Step 2: Convert to fraction form
    124,442.36/186,723.62 = 61,228.20/x
  3. Step 3: Cross multiply
    124,442.36x = 186,723.62 × 61,228.20
  4. Step 4: Simplify right side
    124,442.36x = 11,432,751,150.08
  5. Step 5: Solve for x
    x = 11,432,751,150.08/124,442.36
  6. Step 6: Final answer
    x = 91,871.86

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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.