Home / 124,509.12-186,791.40-35,755.68

Finding the Fourth Proportional to 124,509.12, 186,791.40 and 35,755.68

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Solution

The fourth proportional to 124,509.12, 186,791.40 and 35,755.68 is: 53,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,509.12 : 186,791.40 = 35,755.68 : x
  2. Step 2: Convert to fraction form
    124,509.12/186,791.40 = 35,755.68/x
  3. Step 3: Cross multiply
    124,509.12x = 186,791.40 × 35,755.68
  4. Step 4: Simplify right side
    124,509.12x = 6,678,853,525.15
  5. Step 5: Solve for x
    x = 6,678,853,525.15/124,509.12
  6. Step 6: Final answer
    x = 53,641.48

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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.