Home / 64,586.61-96,887.21-27,139.70

Finding the Fourth Proportional to 64,586.61, 96,887.21 and 27,139.70

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Solution

The fourth proportional to 64,586.61, 96,887.21 and 27,139.70 is: 40,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,586.61 : 96,887.21 = 27,139.70 : x
  2. Step 2: Convert to fraction form
    64,586.61/96,887.21 = 27,139.70/x
  3. Step 3: Cross multiply
    64,586.61x = 96,887.21 × 27,139.70
  4. Step 4: Simplify right side
    64,586.61x = 2,629,489,919.76
  5. Step 5: Solve for x
    x = 2,629,489,919.76/64,586.61
  6. Step 6: Final answer
    x = 40,712.62

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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.