Home / 76,856.08-106,101.48-54,553.36

Finding the Fourth Proportional to 76,856.08, 106,101.48 and 54,553.36

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Solution

The fourth proportional to 76,856.08, 106,101.48 and 54,553.36 is: 75,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,856.08 : 106,101.48 = 54,553.36 : x
  2. Step 2: Convert to fraction form
    76,856.08/106,101.48 = 54,553.36/x
  3. Step 3: Cross multiply
    76,856.08x = 106,101.48 × 54,553.36
  4. Step 4: Simplify right side
    76,856.08x = 5,788,192,234.97
  5. Step 5: Solve for x
    x = 5,788,192,234.97/76,856.08
  6. Step 6: Final answer
    x = 75,312.09

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1.5x scale

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.