Home / 76,930.29-115,091.91-58,264.29

Finding the Fourth Proportional to 76,930.29, 115,091.91 and 58,264.29

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Solution

The fourth proportional to 76,930.29, 115,091.91 and 58,264.29 is: 87,166.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,930.29 : 115,091.91 = 58,264.29 : x
  2. Step 2: Convert to fraction form
    76,930.29/115,091.91 = 58,264.29/x
  3. Step 3: Cross multiply
    76,930.29x = 115,091.91 × 58,264.29
  4. Step 4: Simplify right side
    76,930.29x = 6,705,748,420.89
  5. Step 5: Solve for x
    x = 6,705,748,420.89/76,930.29
  6. Step 6: Final answer
    x = 87,166.56

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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.