Home / 112,749.67-168,977.62-62,827.75

Finding the Fourth Proportional to 112,749.67, 168,977.62 and 62,827.75

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Solution

The fourth proportional to 112,749.67, 168,977.62 and 62,827.75 is: 94,159.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,749.67 : 168,977.62 = 62,827.75 : x
  2. Step 2: Convert to fraction form
    112,749.67/168,977.62 = 62,827.75/x
  3. Step 3: Cross multiply
    112,749.67x = 168,977.62 × 62,827.75
  4. Step 4: Simplify right side
    112,749.67x = 10,616,483,664.96
  5. Step 5: Solve for x
    x = 10,616,483,664.96/112,749.67
  6. Step 6: Final answer
    x = 94,159.78

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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.