Home / 116,020.35-174,030.66-31,781.24

Finding the Fourth Proportional to 116,020.35, 174,030.66 and 31,781.24

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Solution

The fourth proportional to 116,020.35, 174,030.66 and 31,781.24 is: 47,671.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,020.35 : 174,030.66 = 31,781.24 : x
  2. Step 2: Convert to fraction form
    116,020.35/174,030.66 = 31,781.24/x
  3. Step 3: Cross multiply
    116,020.35x = 174,030.66 × 31,781.24
  4. Step 4: Simplify right side
    116,020.35x = 5,530,909,143.76
  5. Step 5: Solve for x
    x = 5,530,909,143.76/116,020.35
  6. Step 6: Final answer
    x = 47,671.89

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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.