Home / 124,743.51-186,893.60-71,433.36

Finding the Fourth Proportional to 124,743.51, 186,893.60 and 71,433.36

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Solution

The fourth proportional to 124,743.51, 186,893.60 and 71,433.36 is: 107,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,743.51 : 186,893.60 = 71,433.36 : x
  2. Step 2: Convert to fraction form
    124,743.51/186,893.60 = 71,433.36/x
  3. Step 3: Cross multiply
    124,743.51x = 186,893.60 × 71,433.36
  4. Step 4: Simplify right side
    124,743.51x = 13,350,437,453.33
  5. Step 5: Solve for x
    x = 13,350,437,453.33/124,743.51
  6. Step 6: Final answer
    x = 107,023.10

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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.