Home / 64,568.48-96,789.12-27,139.20

Finding the Fourth Proportional to 64,568.48, 96,789.12 and 27,139.20

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Solution

The fourth proportional to 64,568.48, 96,789.12 and 27,139.20 is: 40,682.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,568.48 : 96,789.12 = 27,139.20 : x
  2. Step 2: Convert to fraction form
    64,568.48/96,789.12 = 27,139.20/x
  3. Step 3: Cross multiply
    64,568.48x = 96,789.12 × 27,139.20
  4. Step 4: Simplify right side
    64,568.48x = 2,626,779,285.50
  5. Step 5: Solve for x
    x = 2,626,779,285.50/64,568.48
  6. Step 6: Final answer
    x = 40,682.07

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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.