Home / 124,561.08-186,871.30-40,321.28

Finding the Fourth Proportional to 124,561.08, 186,871.30 and 40,321.28

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Solution

The fourth proportional to 124,561.08, 186,871.30 and 40,321.28 is: 60,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,561.08 : 186,871.30 = 40,321.28 : x
  2. Step 2: Convert to fraction form
    124,561.08/186,871.30 = 40,321.28/x
  3. Step 3: Cross multiply
    124,561.08x = 186,871.30 × 40,321.28
  4. Step 4: Simplify right side
    124,561.08x = 7,534,890,377.64
  5. Step 5: Solve for x
    x = 7,534,890,377.64/124,561.08
  6. Step 6: Final answer
    x = 60,491.53

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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.