Home / 76,966.72-106,258.28-58,673.88

Finding the Fourth Proportional to 76,966.72, 106,258.28 and 58,673.88

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Solution

The fourth proportional to 76,966.72, 106,258.28 and 58,673.88 is: 81,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,966.72 : 106,258.28 = 58,673.88 : x
  2. Step 2: Convert to fraction form
    76,966.72/106,258.28 = 58,673.88/x
  3. Step 3: Cross multiply
    76,966.72x = 106,258.28 × 58,673.88
  4. Step 4: Simplify right side
    76,966.72x = 6,234,585,569.73
  5. Step 5: Solve for x
    x = 6,234,585,569.73/76,966.72
  6. Step 6: Final answer
    x = 81,003.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.