Home / 107,830.80-161,765.64-36,749.52

Finding the Fourth Proportional to 107,830.80, 161,765.64 and 36,749.52

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Solution

The fourth proportional to 107,830.80, 161,765.64 and 36,749.52 is: 55,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,830.80 : 161,765.64 = 36,749.52 : x
  2. Step 2: Convert to fraction form
    107,830.80/161,765.64 = 36,749.52/x
  3. Step 3: Cross multiply
    107,830.80x = 161,765.64 × 36,749.52
  4. Step 4: Simplify right side
    107,830.80x = 5,944,809,622.49
  5. Step 5: Solve for x
    x = 5,944,809,622.49/107,830.80
  6. Step 6: Final answer
    x = 55,130.91

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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.