Home / 64,215.57-96,296.26-19,243.31

Finding the Fourth Proportional to 64,215.57, 96,296.26 and 19,243.31

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Solution

The fourth proportional to 64,215.57, 96,296.26 and 19,243.31 is: 28,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.57 : 96,296.26 = 19,243.31 : x
  2. Step 2: Convert to fraction form
    64,215.57/96,296.26 = 19,243.31/x
  3. Step 3: Cross multiply
    64,215.57x = 96,296.26 × 19,243.31
  4. Step 4: Simplify right side
    64,215.57x = 1,853,058,783.02
  5. Step 5: Solve for x
    x = 1,853,058,783.02/64,215.57
  6. Step 6: Final answer
    x = 28,856.85

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1.5x scale

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.