Home / 124,646.09-186,690.30-57,986.33

Finding the Fourth Proportional to 124,646.09, 186,690.30 and 57,986.33

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Solution

The fourth proportional to 124,646.09, 186,690.30 and 57,986.33 is: 86,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,646.09 : 186,690.30 = 57,986.33 : x
  2. Step 2: Convert to fraction form
    124,646.09/186,690.30 = 57,986.33/x
  3. Step 3: Cross multiply
    124,646.09x = 186,690.30 × 57,986.33
  4. Step 4: Simplify right side
    124,646.09x = 10,825,485,343.60
  5. Step 5: Solve for x
    x = 10,825,485,343.60/124,646.09
  6. Step 6: Final answer
    x = 86,849.78

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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.